Tuesday
October 21, 2014

Search: physics (mirror 2)

Number of results: 57,193

science gr.8
classify each as plane mirror, convex, or concave and briefly explain how the mirror is used to see images. 1) full length bedroom mirror 2) make-up mirror (compact makeup mirror) 3) car rear view mirror 4) dental mirror (used to look in mouth) 5) store security mirror 6) ...
December 8, 2013 by anonymous

physics
A convex spherical mirror has a focal length of -20 cm. An object is placed 30 cm in front of the mirror on the mirror's axis. Where is the image located? Answer 12 cm in front of the mirror 60 cm behind the mirror 60 cm in front of the mirror none of the given answers
March 17, 2014 by shirly

Physics
A mirror produces an image that is located 50.0 cm behind the mirror, when the object is located 5.50 cm in front of the mirror. (a) What is the focal length of the mirror? (b) Is the mirror 1 - concave or 2 - convex? (Give the number of the correct answer.)
April 11, 2013 by Sam

physics
A concave mirror has a focal length of 13 cm. The mirror forms an image located 40 cm in front of the mirror. What is the magnification of the mirror?
November 17, 2011 by Kristi

Physics
A candle is placed 17.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 6.0 cm farther away from the mirror. Find the focal length of the convex mirror. _______cm
October 18, 2007 by Mary

physics
A 4.5 cm tall object is placed 20 cm in front of a spherical mirror. It is desired to produce a virtual image that is upright and 3.5 cm tall. (a) What type of mirror should be used? concave mirror convex mirror (b) Where is the image located? (Your answer should be positive ...
March 25, 2012 by Tom

physics
A light bulb is placed 17.1 cm in front of a concave mirror. When the concave mirror is replaced by a plane mirror in the same location, the bulb's image moves 6.60 cm closer to the mirror. Calculate the focal length of the concave mirror.
January 31, 2013 by Anon

Physics
A light bulb is placed 21.7 cm in front of a concave mirror. When the concave mirror is replaced by a plane mirror in the same location, the bulb's image moves 4.60 cm closer to the mirror. Calculate the focal length of the concave mirror.
September 11, 2014 by Nick

Physic science
If a man requires a mirror of 0.9m as to see the whole of himself in the mirror when he is standing 2m away from the mirror. How much mirror does he require when he now stands 6m from the mirror?
February 17, 2013 by Any

physics
A concave spherical mirror has a radius of curvature 15 cm. A 1 cm tall bulb is placed in front of the mirror such that its image is formed 10 cm in front of the mirror. If you measure distance from the optic center of the mirror, (A) What is the focal length of the mirror? (B...
April 17, 2011 by ashley --

physics ---
A concave spherical mirror has a radius of curvature 15 cm. A 1 cm tall bulb is placed in front of the mirror such that its image is formed 10 cm in front of the mirror. If you measure distance from the optic center of the mirror, (A) What is the focal length of the mirror? (B...
April 27, 2011 by ashley --

Physics
1. A concave mirror forms a real image at 25cm from he mirror surface along the principal axis. If the corresponding object is at a 10cm distance, what is the mirror's focal length? 2. A woman looking in a makeup mirror sees her face at twice its actual size and right-side up...
July 26, 2011 by Anonymous

physics one more
A dime .334 m away from, and on the optical axis of, a concave spherical mirror produces an image on the same side of the mirror as the source. The image is .093 m away from the mirror. If the dime is moved on the axis to .229 m from the mirror, how far away from the mirror is...
May 24, 2008 by help?

Physics
(1) A virtual image -7 cm tall and 17 cm away from a mirror is created by an object 7 cm away from a mirror. How tall is the object? What kind of mirror created the image? What is its focal length? (2) If a 1.75 m tall man is looking at a plane mirror from an eye which is 15 ...
February 18, 2009 by Fred

Physics
(1) A virtual image -7 cm tall and 17 cm away from a mirror is created by an object 7 cm away from a mirror. How tall is the object? What kind of mirror created the image? What is its focal length? (2) If a 1.75 m tall man is looking at a plane mirror from an eye which is 15 ...
February 19, 2009 by Al

Physics
If a 2 m tall man is looking at a plane mirror from an eye which is 20 cm from the top of his head, what is the minimum length that the mirror must be so that he can just barely see his whole body in the mirror? How far up from the ground must the mirror be placed? I'm ...
February 24, 2009 by Brock

physics
the focal length of this mirror is 6 cm and the object is located 8 cm away from the mirror. calculate the position of the image formed by the mirror. suppose the converging mirror is replaced by a diverging mirror with the same radius of curvature that is the same distance ...
June 9, 2008 by shelly

physics
A light bulb is placed 16.6 cm in front of a concave mirror. When the concave mirror is replaced by a plane mirror in the same location, the bulb's image moves 5.40 cm closer to the mirror. Calculate the focal length of the concave mirror. i know that for plane mirrors ...
March 23, 2014 by Susy

physics
A dime .334 m away from, and on the optical axis of, a concave spherical mirror produces an image on the same side of the mirror as the source. The image is .093 m away from the mirror. If the dime is moved on the axis to .229 m from the mirror, how far away from the mirror is...
May 25, 2008 by help?

Physics
The magnification of a convex mirror is +0.65X for objects 2.8 m from the mirror. What is the focal length of this mirror?
March 8, 2010 by Anonymous

Physics
A concave mirror is constructed so that a man at a distance of 26 from the mirror sees his image magnified 1.5 times. What is the radius of curvature of the mirror?
June 12, 2011 by John

Physics
A candle, 3.5 cm high, placed 29 cm in front of a curved mirror forms an image at a distance of 12 cm from the mirror. Focal length of mirror? How high is the image? What type of mirror is this?
April 1, 2012 by Con

Physics
A candle, 3.5 cm high, placed 29 cm in front of a curved mirror forms an image at a distance of 12 cm from the mirror. Focal length of mirror? How high is the image? What type of mirror is this?
April 2, 2012 by Con

Physics
A convex mirror forms an image of height of 2.4 cm, If the radius of curvature of thr mirror is 40 cm, find the heihgt and distance of the object from the mirror.
March 25, 2012 by Lafix erassy

Physics
You are 1.9 m tall and stand 3.3 m from a plane mirror that extends vertically upward from the floor. On the floor 1.6 m in front of the mirror is a small table, 0.75 m high. What is the minimum height the mirror must have for you to be able to see the top of the table in the ...
October 24, 2011 by nikki

Physics
The image produced by a concave mirror is located 28 cm in front of the mirror. The focal length of the mirror is 14 cm. How far in front of the mirror is the object located? _________cm
October 18, 2007 by Mary

physics
A dentist, experimenting with a new mirror, places it 2.0 cm from a tooth and sees a reduced image located 1.0 cm behind the mirror. What is the focal length of this mirror?
April 13, 2012 by kiara

physics
A person stands in front of a mirror at an amusement park. the person is left of a mirror. the mirror shows an upright image of the person that seems to be 4.0 meters behind the mirror. assume the image is 3.5 times the person's height. a) is the image virtual or real ? ...
May 2, 2012 by deep

physics!
The image produced by a concave mirror is located 27 cm in front of the mirror. The focal length of the mirror is 13 cm. How far in front of the mirror is the object located?
April 2, 2012 by linds

physics (mirror)
a diverging mirror of 52.0 focal lenght produces a virtual image of 26.0cm from the mirror. how far from the mirror should the object be placed? solution f=-52.0cm, v=-26.0cm 1/u + 1/v = 1/f rearranging the terms 1/u = 1/f - 1/v substituting the values of v and f into the ...
July 28, 2009 by Matrix School 2

physics
In an experiment similar to that done by Michelson,the frequency of rotation of the eight-sided mirror is 530 Hz. Calculate the speed of light in air if the distance from the rotating mirror to the stationary mirror is 35.0 km.
June 28, 2011 by michelle

Physics
A concave makeup mirror is designed so that a person 25.3 cm in front of it sees an upright image at a distance of 54.0 cm behind the mirror. a) What is the radius of curvature of the mirror? Answer in units of cm
March 29, 2012 by Angel

Physics
A man is 6 feet tall and wishes to have a "full length mirror" in his house, meaning a mirror that lets him see himself from top to bottom. He goes to the hardware store to get a piece of flat (plane) mirror that is just barely long enough to work. How long is the mirror that ...
September 3, 2012 by Jacob

Physics
Two upright plane mirrors, 0.89 m tall, are placed parallel to each other 2.83 m apart. The top of the mirror on the right is then moved back a little so that its surface tilts away from the other mirror at an angle of 13.8° off the vertical. A narrow laser beam passes ...
January 7, 2012 by CHELSEY MORGAN

physics
a mirror which is somewhere between the object and image, forms a virtual upright image of the object 45 cm way from the object, measured on the optical axis of the mirror. The image is the size of the object. What kind of mirror must be used to produce this image. How far ...
November 9, 2013 by stela

Physics
A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +3.0. What is the magnification when the convex side is used as a mirror, the object remaining the same distance from the mirror?
April 17, 2013 by Elizabeth

Physics
You shoot your enemy's reflection in the mirror while playing paintball. The y axis is perpendicular to the mirror. The mirror has a mass of 1kg and the paintball has a mass of 0.05 kg. The paintball hits the mirror at a speed of 8 m/s at an angle of 25 degrees from the normal...
May 2, 2014 by Michelle

physics
a butterfly at eye level is 20 cm in front of a plane mirror. you are behind the butterfly, 50 cm from the mirror. what is the distance between your eyes and the image of the buterfly in the mirror?
October 31, 2009 by na

physics
An object is placed in front of a convex mirror with a 22.6-cm radius of curvature. A virtual image half the size of the object is formed. At what distance is the object from the mirror? Take a positive answer to be in front of the mirror, and a negative answer to be behind ...
April 5, 2012 by Ashley

Physics
A convex mirror has a radius of curvature of 36.0 cm. When a 5.60 cm tall object is placed in front of the mirror, the magnification is 0.250. (a) What is the height of the image? (b) How far is the object from the mirror?
May 11, 2011 by Kayleigh

Physics
A convex mirror form an image of height 2.4cm, if the radius of covature of the mirror is 40cm.find the height,distance of the object from the front of the mirror
June 30, 2013 by Adams

PHYSICS HELP!!
In one of Michelson's experiments, a beam from a revolving mirror traveled 10 km to a stationary mirror. How long a time interval elapsed before the beam returned to the mirror?
April 25, 2012 by Jared

physics
In one of Michelson's experiments, a beam from a revolving mirror traveled 12 km to a stationary mirror. How long a time interval elapsed before the beam returned to the mirror?
April 25, 2013 by tasha

physics
An object with a height of 42 cm is placed 1.6 m in front of a concave mirror with a focal length of 0.45 m. Find the location and magnification of the image produced by the mirror, using the mirror and magnification equations.
May 17, 2010 by Cole

Physics
A small statue has a height of 3.8 cm and is placed in front of a concave mirror. The image of the statue is inverted, 1.9 cm tall, and located 14 cm away from the mirror. Find the focal length of the mirror.
April 10, 2013 by Jim Bob

Physics
A small statue has a height of 3.8 cm and is placed in front of a concave mirror. The image of the statue is inverted, 1.9 cm tall, and located 14 cm away from the mirror. Find the focal length of the mirror.
April 11, 2013 by Bob

Physics
The outside mirror on the passenger side of a car is convex and has a focal length of -7.2 cm. Relative to this mirror, a truck traveling in the rear has an object distance of 20 m. Find (a) the image distance and (b) the magnification of the mirror.
November 17, 2011 by Kristi

physics
The real image produced by a concave mirror is found to be 0.303 times the size of the ob ject. If the distance from the mirror to the screen on which the image appears is 1.14 m, what is the focal length of the mirror? Answer in units of m
March 22, 2013 by kevin

physics
a concave mirror has a focal length of 20 cm. A person places her face 15 cm away from the mirror. a)how far is the image from the mirror? b)what would have happened to the person's image if she had placed her face 25 cm away from the mirror?
May 30, 2013 by patty

Physics
A flat circular mirror of radius 0.120 m is lying on the floor. Centered above the mirror, at a height of 0.830 m, is a light source. Calculate the diameter of the bright circular spot formed on the 2.90 m high ceiling by the light reflected from the mirror I tried drawing a ...
September 1, 2010 by rudi

Physics
A flat circular mirror of radius 0.120 m is lying on the floor. Centered above the mirror, at a height of 0.830 m, is a light source. Calculate the diameter of the bright circular spot formed on the 2.90 m high ceiling by the light reflected from the mirror I tried drawing a ...
September 1, 2010 by rudi

physics
An object 5cm is placed 30cm in front of a concave mirror.The image is 60cm in front of the mirror.Find (a) the focal length of the mirror.(b) the magnification.(c)the size of the image
November 10, 2011 by chrystabelle

physics
A concave shaving mirror has a radius of curvature of 28.0 cm. For each of the following cases, find the magnification and determine whether the image formed is real or virtual and upright or inverted. (a) an upright pencil placed 41.6 cm from the mirror. (b) an upright pencil...
March 12, 2013 by Brandon

Physics
The image of a crayon appears to be 20.6 cm behind the surface of a convex mirror and is 3.32 cm tall. The mirror’s focal length is 52.6 cm. a) How far in front of the mirror is the crayon positioned? b) Calculate the magnification of the image
March 27, 2012 by Angel

physics
An object that is 19 cm in front of a convex mirror has an image located 24 cm behind the mirror. How far behind the mirror is the image located when the object is 12 cm in front of the mirror? I found that 1/Di = 1/-24 + 1/19 - 1/12 = -.07236. And that means that f= -13.82. ...
April 24, 2009 by Determine the radius

Physics.
A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. A) what type of mirror is it? B)Describe the type of image that it makes of your face . C) Calculate the required radius of curvature for the mirror.
March 25, 2008 by jimmy

Physics
A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. A) what type of mirror is it? B)Describe the type of image that it makes of your face . C) Calculate the required radius of curvature for the mirror.
March 25, 2008 by Kim

Physics
A mirror on the passenger side of your car is convex and has a radius of curvature with magnitude 18 cm. (a)Another car is seen in this side mirror and is 13 m behind the mirror, if the car is 1.5 m tall, what is the height of its image? I can't figure this one out! help please!
April 7, 2008 by J

physics
A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. (a) What type of mirror is it? (b) Describe the type of image that it makes of your face. (c) Calculate the required radius of curvature for the mirror.
April 17, 2010 by Esmeralda

physics
A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. (a) What type of mirror is it? (b) Describe the type of image that it makes of your face. (c) Calculate the required radius of curvature for the mirror.
April 17, 2010 by Esmeralda

physics
A shaving/makeup mirror is designed to magnify your face by a factor of 1.33 when your face is placed 20.0 cm in front of it. (a) What type of mirror is it? (b) Describe the type of image that it makes of your face. (c) Calculate the required radius of curvature for the mirror.
April 17, 2010 by Esmeralda

physics
A spherical mirror is polished on both sides. When the concave side is used as a mirror, the magnification is +2.7. What is the magnification when the convex side is used as a mirror, the object remaining the same distance from the mirror? If the object is inverted, then enter...
April 8, 2013 by Anonymous

Physics
The image of a crayon appears to be 20.6 cm behind the surface of a convex mirror and is 1.64 cm tall. The mirror’s focal length is 54.3 cm. a) How far in front of the mirror is the crayon positioned? Answer in units of cm I keep on getting it wrong so the answer & explanation...
April 1, 2012 by angel

Physics Question
A shaving/makeup mirror is designed to magnify your face by a factor of 1.27 when your face is placed 23.5 cm in front of it. What type of mirror is it? Describe the type of image that it makes of your face. Calculate the required radius of curvature for the mirror.
April 14, 2012 by ###Nadine####

Physics
would it be possible to view your body from head-to-toe, while standing in front of a plane mirror that is only as tall as you? this is in the chapter mirror on my physics books
May 2, 2010 by Luis

physics
A flat circular mirror of radius 0.150 m is lying on the floor. Centered directly above the mirror , at a height of 0.750 m, is a small light source. Calculate the diameter of the bright circular spot formed on the 2.90 m high ceiling by the light reflected from the mirror.
June 10, 2014 by Meghan

Algebra
The equation of a mirror in a particular telescope is y= (x^2)/(520), where x is the radius (in cm). If the mirror has a diameter of 32 centimeters, what is the depth of the mirror?
May 25, 2011 by Calisha

geometry
The focus of a parabolic mirror is at a distance of 8cm from the center the mirror is 25cm deep find the diameter of the mirror.
May 2, 2014 by Anonymous

Physics
A concave spherical mirror has a radius of curvature 15 cm. A 1 cm tall bulb is placed in front of the mirror such that its image is formed 10 cm in front of the mirror what is the focal length position of object magnification of object height of object Please help!! I am ...
May 6, 2014 by Deyonne

physics
A small cup of green tea is positioned on the central axis of a spherical mirror. The lateral magnification of the cup is +0.312, and the distance between the mirror and its focal point is 2.48 cm. What is the distance between the mirror and the image it produces?
May 20, 2009 by sweetie

physics
A butterfly at eye level is 18 cm in front of an plane mirror. You are behind the butterfly, 45 cm from the mirror. What is the distance between your eye and the image of the butterfly in the mirror?
April 5, 2010 by Susan

physics
A butterfly at eye level is 22 cm in front of an plane mirror. You are behind the butterfly, 46 cm from the mirror. What is the distance between your eye and the image of the butterfly in the mirror?
April 6, 2010 by mika

physics
A butterfly at eye level is 21 cm in front of an plane mirror. You are behind the butterfly, 53 cm from the mirror. What is the distance between your eye and the image of the butterfly in the mirror?
July 28, 2010 by Amanda

Physics
A candle flame is placed in front of a concave mirror on the principal axis such that is twice the size of the object and is inverted. If the sum of the object distance and the image distance is 72 cm, how far from the mirror is the image and what is the focal length of the ...
December 16, 2012 by Hanu 2012

Physics
A woman fixing her hair holds a plane mirror 30 cm away from the front of her face so as to look into a plane mirror on the bathroom wall behind her. She is 90 cm from the wall mirror. Approximately how far does the image of the back of her head appear in front of her?
February 13, 2013 by Madison

physics
A convex spherical mirror of focal length 15.0 cm is to form an image 9.00 cm from the mirror. Where will the object be placed?
March 30, 2008 by Anonymous

Physics
a thimble is 32.0 cm from a spherical concave mirror. The focal point lenght of the mirror is 11.0 cm. What is the image position?
May 2, 2010 by Luis

Physics
A concave mirror has a focal length of 20 cm. What is the magnification of an object placed 128 cm in front of this mirror?
April 6, 2011 by Deli

physics
Does the minimum height of a mirror required so that a man can see himself completely depend on his distance from the mirror?
April 25, 2011 by Annie

physics
what would be the distance from the image to the mirror if the imge form the object to the mirror is 20cm and the focal length is 10 cm
May 30, 2011 by Kelli Kenyon

physics 11
A girl stands 2.5 m infront of a plane mirror. If she steps 0.5 m farther away from the mirror, how far will she be from her image?
February 10, 2013 by Abe

physics
A concave mirror has a radius of curvature of 0.975 m. An object is placed 2.08 m in front of the mirror. What is the position of the image?
February 12, 2014 by Cyndie

physics
A person stands 4.4 m in front of a wall that is covered floor-to-ceiling with a plane mirror. His eyes are 1.9 m above the floor. He holds a flashlight between his feet and manages to point it at the mirror. At what angle of incidence must the light strike the mirror so the ...
March 20, 2008 by rick

Physics
A butterfly at eye level is 20 cm in front of a plane mirror. You are behind the butterfly, 50 cm from the mirror. What is the distance between your eye and the image of the butterfly in the mirror? Explain your reasoning. We also have to make a sketch. I have no idea how to ...
March 8, 2008 by Pam

physics
TRUE OR FALSE The virtual image formed by a convex mirror is always enlarged. A convex mirror never forms a real image of a real object. When the object of a concave mirror is inside the focal point, the image is virtual. The image produced by a convex mirror is always closer ...
May 24, 2008 by help?

Physics
What effect does a person's distance from a mirror have on the minimum mirror length required to produce his or her complete image?
March 14, 2013 by Priscy

Physics
What effect does a person's distance from a mirror have on the minimum mirror length required to produce his or her complete image?
March 14, 2013 by Priscy

Physics
What effect does a person's distance from a mirror have on the minimum mirror length required to produce his or her complete image?
March 14, 2013 by Priscy

Physics
A convex mirror with a radius of curvature of 39.0 cm forms a 0.95 cm tall image of a pencil at a distance of 12.1 cm behind the mirror. What is the magnification?
February 18, 2014 by Anonymous

physics
A convex mirror with a radius of curvature of 39.0 cm forms a 0.95 cm tall image of a pencil at a distance of 12.1 cm behind the mirror. What is the magnification?
February 18, 2014 by Anonymous

physics
An object whose height is 3.5 cm is at a distance of 8.5 cm from a spherical concave mirror. Its image is real and has a height of 11.2 cm. Calculate the radius of curvature of the mirror. How far from the mirror is it necessary to place the above object in order to have a ...
May 24, 2008 by help?

physics
An object whose height is 3.5 cm is at a distance of 8.5 cm from a spherical concave mirror. Its image is real and has a height of 11.2 cm. Calculate the radius of curvature of the mirror. How far from the mirror is it necessary to place the above object in order to have a ...
May 25, 2008 by help?

physics
A source of light and a screen lie in the same plane, 3 metres in front of a plane mirror, the mirror surface being parallel with the screen. If the mirror is rotated through 10degrees, how far will the patch of light mves across the screen?
October 23, 2012 by Need help please!

physics
A concave mirror forms a real image at 17.0 cm from the mirror surface along the principal axis. If the corresponding object is at ta distance of 36.0 cm, what isi teh mirror's focal length? let u be the object distance let v be the image distance v=17 cm u=36 cm 1/f = 1/u + 1...
March 13, 2009 by physics

physics
A person whose eyes are 2.87 m above the floor stands 2.11 m in front of a vertical plane mirror whose bottom edge is 41 cm above the floor. What is the horizontal distance x to the base of the wall supporting the mirror of the nearest point on the floor that can be seen ...
August 26, 2014 by Zati

physics
A shiny metallic Christmas ball ornament 5.10 cm in diameter is used as a mirror. What is the mirror's focal length? please answer in cm. thanks.
May 7, 2011 by erin

Physics
A spherical concave mirror has a raduis of curvature of 6.0 cm. At what distance from the mirror should a 6.0 cm object be placed to obtain an image that is 48 cm tall?
February 26, 2013 by Aa

physics
Why are the shaving mirror concave while the rear view mirror convex? Draw the ray diagrams to support your answer.
March 6, 2013 by ranvijay

physics
An object is located 16.8 cm in front of a convex mirror, the image being 11.5 cm behind the mirror. A second object, twice as tall as the first one, is placed in front of the mirror, but at a different location. The image of this second object has the same height as the other...
November 23, 2012 by Alex

physics
An object is located 16.8 cm in front of a convex mirror, the image being 11.5 cm behind the mirror. A second object, twice as tall as the first one, is placed in front of the mirror, but at a different location. The image of this second object has the same height as the other...
November 14, 2012 by derek

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