Search: physics (mirror 2)

Number of results: 94,697

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
Thursday, October 18, 2007 at 1:24pm by Mary

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?
Thursday, November 17, 2011 at 2:40pm by Kristi

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.)
Thursday, April 11, 2013 at 8:14am by Sam

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?
Sunday, February 17, 2013 at 4:05am by Any

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...
Saturday, May 24, 2008 at 1:32pm by help?

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...
Tuesday, July 26, 2011 at 4:11pm by Anonymous

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.
Thursday, January 31, 2013 at 6:15pm by Anon

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 ...
Sunday, March 25, 2012 at 6:39pm by Tom

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?
Monday, March 8, 2010 at 5:44pm by Anonymous

College Physics
The image behind a convex mirror (radius of curvature = 71.0 cm) is located 23.0 cm from the mirror. (a) Where is the object located (give the distance to the mirror) and (b) what is the magnification of the mirror?
Thursday, March 22, 2012 at 12:12pm by Anonymous

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...
Sunday, May 25, 2008 at 12:52pm by help?

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?
Sunday, June 12, 2011 at 1:01pm by John

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 ...
Monday, October 24, 2011 at 1:16pm by nikki

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...
Wednesday, April 27, 2011 at 6:47pm 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...
Sunday, April 17, 2011 at 10:17pm by ashley --

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 ...
Tuesday, February 24, 2009 at 11:35pm by Brock

Physics
The question is how big a mirror do you need to see all of your face, and does it help to move the mirror nearr or farther away. The answer is the mirror must be half as large as your face, in both length and width dimensions, regardless of where the mirror is held. To figure ...
Saturday, March 8, 2008 at 1:56am by drwls

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 ...
Monday, June 9, 2008 at 10:50pm by shelly

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 ...
Monday, September 3, 2012 at 5:19pm by Jacob

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 ? ...
Wednesday, May 2, 2012 at 3:21pm by deep

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 ...
Thursday, February 19, 2009 at 12:42am by Al

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?
Wednesday, April 17, 2013 at 10:45pm by Elizabeth

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
Thursday, October 18, 2007 at 1:25pm by Mary

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?
Monday, April 2, 2012 at 10:13pm by linds

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.
Tuesday, June 28, 2011 at 3:28am by michelle

Physics
Draw the mirror opposite you and parallel to you Put your eye at the top of your head. Draw a line from your eye straight to the mirror perpendicular to it. The line bounces right back to your eye, so you have the top of you. Now draw a line from your eye, bounce off the ...
Monday, May 19, 2008 at 6:03pm by Damon

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?
Monday, April 2, 2012 at 4:19pm by Con

Physics
For a source at infinity, it MINUS the distance between the mirror and the virtual image, where the reflected rays appear to come from. It is negative because it is behind the mirror. You can also define it as -R/2, where R is the radius of curvature of teh mirror surface.
Tuesday, December 14, 2010 at 10:41pm by drwls

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 ...
Thursday, April 5, 2012 at 11:40am by Ashley

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?
Friday, April 13, 2012 at 2:00pm by kiara

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 ...
Saturday, January 7, 2012 at 5:42pm by CHELSEY MORGAN

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.
Sunday, March 25, 2012 at 11:23am by Lafix erassy

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?
Thursday, April 25, 2013 at 4:33pm by tasha

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?
Wednesday, April 25, 2012 at 1:34am by Jared

physics
To answer this, you need the height H of the mirror, not its area. Are we supposed to assume it is a squate mirror? In that case, H = 30 cm If H is the length of the mirror in the vertical direction, H/0.45 = 8.5/(X +0.45) Solve for X, once you know H.
Saturday, October 16, 2010 at 5:51pm by drwls

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.
Monday, May 17, 2010 at 11:41am by Cole

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
Friday, March 22, 2013 at 12:25am by kevin

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.
Thursday, November 17, 2011 at 2:37pm by Kristi

physics
It will appear behind the mirror at a distance equal to its distance in front of the mirror. If the observer is the object, double the distance to the mirror.
Thursday, November 24, 2011 at 10:24pm by drwls

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 ...
Wednesday, September 1, 2010 at 10:50pm by rudi

physics
Have you considered drawing a figure with a mirror, then drawing ray diagrams? On ray from the foot to the mirror to eye, and one ray from top of head to mirror to eye. Then use geometry to figure the height of the mirror.
Monday, April 28, 2008 at 7:43am by bobpursley

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
Thursday, March 29, 2012 at 1:58pm by Angel

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
Thursday, November 10, 2011 at 4:39am by chrystabelle

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?
Saturday, October 31, 2009 at 3:09pm by na

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?
Wednesday, May 11, 2011 at 11:33pm by Kayleigh

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 ...
Tuesday, July 28, 2009 at 3:45pm by Matrix School 2

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...
Monday, April 8, 2013 at 5:00pm by Anonymous

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.
Thursday, April 11, 2013 at 8:13am by Bob

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
Sunday, May 2, 2010 at 6:07pm by Luis

Physics
Use negatve numbers for the focal length of a convex mirror. They already tell you to use -18. -1/18 = 1/300 + 1/di 1/di = -.058888 di = -16.98 Negative numbers for the di mean that the image is behind the mirror. This would be typical of a mirror used as a wide-angle side ...
Wednesday, March 19, 2008 at 9:24pm by drwls

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 ...
Monday, April 7, 2008 at 6:23pm 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.
Saturday, April 17, 2010 at 3:34pm 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.
Tuesday, March 25, 2008 at 7:45pm by Kim

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.
Tuesday, March 25, 2008 at 5:17pm by jimmy

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.
Saturday, April 14, 2012 at 3:41pm by ###Nadine####

physics
Because your image is behind the mirror, twice as far from the camera as the mirror frame.
Thursday, May 13, 2010 at 1:32am by drwls

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?
Wednesday, May 25, 2011 at 11:03pm by Calisha

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?
Wednesday, May 20, 2009 at 11:33pm by sweetie

Physics
a convex mirror has a focal length of -0.90m. An object with a height of 2.5m from the mirror. Could u help me please!! :D
Monday, May 23, 2011 at 9:21pm by lala

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 ...
Sunday, December 16, 2012 at 8:25pm by Hanu 2012

physics
Does the minimum height of a mirror required so that a man can see himself completely depend on his distance from the mirror?
Monday, April 25, 2011 at 11:45am by Annie

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 ...
Saturday, May 24, 2008 at 1:14pm by help?

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 ...
Thursday, March 20, 2008 at 9:59pm by rick

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?
Wednesday, July 28, 2010 at 1:45am by Amanda

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?
Tuesday, April 6, 2010 at 5:14pm by mika

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?
Monday, April 5, 2010 at 10:10pm by Susan

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?
Thursday, March 14, 2013 at 2:55pm by Priscy

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?
Sunday, February 10, 2013 at 10:12pm by Abe

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?
Tuesday, October 23, 2012 at 7:35am by Need help please!

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
Tuesday, March 27, 2012 at 10:02pm by Angel

Physics
An object that is 29 cm in front of a convex mirror has an image located 13 cm behind the mirror. How far behind the mirror is the image located wen the object is 15 cm in front of the mirror?
Saturday, January 7, 2012 at 3:25pm by Cookie

physics
Why are the shaving mirror concave while the rear view mirror convex? Draw the ray diagrams to support your answer.
Wednesday, March 6, 2013 at 10:04am by ranvijay

physics
I am not certain how the incident light is getting to the mirror. But remember the mirror itself does a 180 degree phase shift when it reflects.
Wednesday, March 24, 2010 at 8:34pm by bobpursley

physics
an image in a convex mirror is 12cm tall and 30cm from the mirror.IF the focal length is 50cm, where is the object and how tall. i got 7.5cm for the object height but a convex mirror always gives a reduced image?
Monday, April 28, 2008 at 8:51am by shan

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...
Tuesday, March 12, 2013 at 11:04pm by Brandon

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
Monday, May 30, 2011 at 3:47pm by Kelli Kenyon

Physics
An object that is 32 cm in front of a convex mirror has an image located 17 cm behind the mirror. How far behind the mirror is the image located when the object is 24 cm in front of the mirror?
Thursday, April 11, 2013 at 8:13am by Joe

Physics
An object that is 27 cm in front of a convex mirror has an image located 18 cm behind the mirror. How far behind the mirror is the image located when the object is 19 cm in front of the mirror?
Saturday, January 7, 2012 at 3:25pm by Anonymous

College Physics
A butterfly at eye level is 25 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? 1 cm
Tuesday, December 1, 2009 at 9:29pm by yelsaa

physics urgent
image distance 2metres behind mirror height is 1.5metres for plane mirror focal length is infinty so 1/f=1/v + 1/u reduces to v= -u v= -(-2)=2 magnification = -v/u=1
Saturday, December 10, 2011 at 2:48pm by Sachin

physics
the distance of a girl from a plane mirror is 15m when she is standing infront of it.she can see her image behind the mirror 1- 15cm 2- 30cm 3- 45cm 4- 10
Wednesday, November 24, 2010 at 9:00am by sweetie

Physics
in many cars the passanger-side-rear-view mirror has a warning that reads "objects may be closer than they appear" is the mirror concave or convex? Explain
Sunday, May 2, 2010 at 6:54pm by kike

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?
Wednesday, February 13, 2013 at 2:34pm by Madison

Physics
If a 1.75 m tall man is looking at a plane mirror from an eye which is 15 cm from the top of their 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? 1/(...
Wednesday, February 18, 2009 at 9:13pm by Fred

physics - PLEASE HELP
A person whose eyes are H = 1.62 m above the floor stands L =2.24m in front of a vertical plane mirror whose bottom edge is 43 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...
Monday, March 8, 2010 at 5:35pm by DJ

Physics
Interference effects are produced at point P on a screen as a result of direct rays from a 485 nm source and reflected rays off the mirror. If the source is 94 m to the left of the screen, and 1.02 cm above the mirror, calculate the distance y to the first dark band above the ...
Thursday, March 25, 2010 at 5:45pm by Sarah

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...
Wednesday, November 14, 2012 at 4:03pm by derek

physics
If a concave mirror with a radius of curvature of 0.93 m has an object placed at 0.37 m in front of it, what is the mirror's focal length? Round your answer to 3 decimal places.
Monday, June 4, 2012 at 12:52am by Anna

Physics - Mirrors & Lenses
When standing 1.25 m in front of an amusement park mirror, you notice that your image is three times taller. What is the radius of curvature of the mirror?
Sunday, March 30, 2008 at 4:26pm by Anonymous

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