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December 19, 2014

Search: SCIENCE: GR.10 OPTICS CONVEX MIRRORS

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SCIENCE: GR.10 OPTICS CONVEX MIRRORS
A convex security mirror has a focal length of -0.25m. A person with a height of 1.5m is 4m from the mirror. calculate the image distance and image height. AND An object 0.4m tall is placed 2.5m in front of a convex mirror that has a focal length of -90cm. Calculate image ...
March 28, 2010 by lily

Science
What are convex mirrors?
September 25, 2008 by Mariz

convex mirrors
he focal length of a convex mirror is -20 cm. What is the radius of the curvature?
September 2, 2014 by Anonymous

Science
Can I please have a/any websites for convex mirrors?
September 25, 2008 by Mariz

Physics
What type of mirror is used whenever a magnified image of an object is needed? They say its convex but why? i though convex mirrors reduce an abject ?? plz help
November 20, 2011 by Anonymous

Physical Science
13. Why can convex mirrors only produce virtual images? Sadly, I can't find this answer in my book. :( Any help would be appreciated, please and thank you!
April 6, 2014 by Alex

science
Carnival mirrors make reflection look very odd. What market the reflections in these mirrors so strange?
November 26, 2012 by stephanie

Physics
Identical objects are located at the same distance from two spherical mirrors, A and B. The magnifications produced by the mirrors are mA = 7.2 and mB = 1.1. Find the ratio fA/fB of the focal lengths of the mirrors.
April 17, 2013 by Elizabeth

science
Carnival mirrors make reflections look very odd. What market the reflections in these mirrors so strange?
November 26, 2012 by stephanie

science
Carnival mirrors make reflections look very odd. What market the reflections in these mirrors so strange?
November 26, 2012 by stephanie

science
Carnival mirrors make reflections look very odd. What makes the reflections in these mirrors so strange?
November 26, 2012 by stephanie

PHYSICS
WHAT TYPE OF MIRRORS ARE USED IN A PERISCOPE(CONCAVE, CONVEX?) ALSO,DRAW A RAY DIAGRAM OF A PERISCOPE
March 19, 2011 by ADAM

science
How do mirrors affect the way a plant grows? Mirror, Mirror on the wall See how I grow green and tall. Answer me this question puzzling Nepal Who is the most beautiful plant of all? I guess it will depend on what you use the mirrors for. If it is collecting light, then it will...
December 8, 2006 by britteny

Science Help
How does a periscope work when it has 2 mirrors and light? A.Lenses refract the light B.Light bends as it travels and mirrors bend the light more C.Light travels in a straight line and the mirrors reflect the light D.Lenses and mirrors reflect the light Reflect means to bounce...
March 21, 2012 by Derrick

Science
How does a periscope work when it has 2 mirrors and light? A.Lenses refract the light B.Light bends as it travels and mirrors bend the light more C.Light travels in a straight line and the mirrors reflect the light D.Lenses and mirrors reflect the light Reflect means to ...
March 21, 2012 by Derrick

Physics repost
1)An ____ lens is used to produce a real image. A)convex B)concave C)plane D)diverging The link you gave me confused me b/c the closest thing I could find was convex. and you said concave mirrors produce virtual images. but the question doesnt ask for virtual they ask for real...
April 8, 2008 by Jon

science
what is a convex mirror? what happens when a diverging beam incident on a convex mirror?
November 22, 2013 by amulya

physics
we put 2 mirrors perpendicular to each other and then an object in front. the result is 3 images of that object. how does the middle image occur? The middle image appears directly behind the intersection of the two mirrors, and is a double-reflection off of two mirrors. There ...
May 6, 2007 by JJ

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

science (optics)
explain the process of accommodation in the human eye. thanks :)
October 10, 2011 by pleasehelpme:)

Science
Object distance, image distance, and radius of curvature are ____ for curved mirrors. interdependent independent directly related unrelated A _________(__________ A B ( F In the diagram shown above, the image of object A would be (The diagram may be a bit confusing, so sorry. ...
January 9, 2012 by Anonymous

optics
A thin, double-convex lens has a refractive index of 1.50. The radius of curvature of the front surface is 15 cm and that of the rear surface is 10 cm. See sketch. (a) How far from the lens would an image of the sun be formed? (b) How far from the lens would an image of a toy ...
May 29, 2013 by Ray

laser optics
what is laser optics, how laser optics work?
May 31, 2008 by serdar

science (optics)
Explain why inverted imgaes are produced by the eye yet we see upright images. Thanks :)
October 10, 2011 by pleasehelpme:)

engineerig science
I have to make a power point on fiber optic cable i need links on how to make fiber optics cable actually the real question is what engineers might do in companines that produce fiber optics cable. To answer the question, I would have to explain the steps how engineers make a ...
November 18, 2007 by julie

physics
Two mirrors are placed at a 90° angle to each other. A light ray strikes one mirror 0.730 m from the intersection of the mirrors with an incident angle of 36.5°. The ray then travels a distance d before reflecting from the second mirror. (a) What is the distance d?
May 12, 2014 by Christina

physics
Two mirrors are placed at a 90° angle to each other. A light ray strikes one mirror 0.620 m from the intersection of the mirrors with an incident angle of 36.5°. The ray then travels a distance d before reflecting from the second mirror. (a) What is the distance d? answer ...
May 7, 2011 by bari

math
What is the difference between convex polygon and non convex polygon
October 7, 2009 by thomas

science
why does not refraction occurs on mirrors ????? means in mirror reflection occurs not refracton why??????
August 25, 2014 by priya

science
Me again :) Why might a car manufacturer change the shape of the side mirrors on a particular model? Thanks again.
January 11, 2010 by 1234

science
explain the priniciples of light thaat enable the convex lens to function as it does
April 9, 2013 by Taylor

Physical Conceptual Science
Trucks often have signs on the back that say, “If you can’t see my mirrors, I can’t see you.” Explain the physics.
September 29, 2013 by Miss Angie

Physics(Thank you)
1)Which of the following objects can set fire to a piece of paper in the presence of sunlight? A)doulble concave lens B)convex lens C)convex mirror D)concave lens B, convex lens 2)What happens to a path of a light ray parallel to the principle axis, after it passes through a ...
April 8, 2008 by Jon

physics
A pair of vertical plane mirrors stands with an angle of β = 56.5 degrees between them. A pencil of light approaches in a direction parallel to one of them, as shown. After the pencil has left the mirrors, in which direction will it be going? (Give your answer as the ...
September 14, 2013 by steph

Comparative Essay
I need help on a camparative essay between Barbie Doll and Phenomenal Woman and I would like to include Mirrors. In Barbie Doll society will dictate to us about body image, In phenomenal woman she is confident and is telling society how good she looks and in Mirrors is not ...
April 24, 2011 by Evelyn

science
An object 3 cm is high is placed 24 cm away from a convex lens of focal length 8 cm. Find nature position and height of the image?
January 22, 2014 by Renu

Physics
Object distance, image distance, and radius of curvature are ____ for curved mirrors. interdependent independent directly related unrelated A _________(__________ A B ( F In the diagram shown above, the image of object A would be (The diagram may be a bit confusing, so sorry. ...
January 10, 2012 by Anonymous

Math
I have two problemson polygonal convex sets which I do not understand. The first: Find the minimum value of f(x,y) = 2x-y+2 for the polygonal convex set determined by this system of inequalities: x is more than or equal to 1 x is less than or equal to 3 y is more than or ...
January 20, 2009 by Joanie

GS 104 Physics (Physical Science)
Trucks often have signs on their backs that say, "If you can't see my mirrors, I can't see you." Explain the physics here.
December 3, 2007 by Celeste

algebra
the sum of the four angle measures of any convex quadrilateral is 360 degrees. if a certain convex quadrilater has angle measures of 60, 2y-10, and 10y+5 degrees, what is an expression for the degrees measure of the fourth angle?
October 15, 2010 by ashley

Physics
The Place you get your haircut has two nearly parallel mirrors 5.0m apart. As you sit in the chair, yoru head is 2.0 m from the nearer mirror. Looking toward this mirror, you first see your face and then, farther away, the back of your head. ( The mirrors need to be slightly ...
March 7, 2010 by EM

physics
What is optics?
July 19, 2012 by Saiman

Fiber Optics
What is fiber optics?
September 23, 2012 by Tialia

physics
A 5.0-cm real object is placed at a distance of 30.0 cm from a concave mirror of focal length 10.0 cm. Find the location of the image. A. 6 cm B. 10 cm C. 15 cm D. 60 cm Is it B. 10 cm? Which of the following objects can set fire to a piece of paper in the presence of sunlight...
April 6, 2009 by sophie

Economics
Suppose the consumer has convex preferences, and we know (2, 4) ~(6, 1). Is the statement (4,2.5) >=(6, 1) correct? What about the statement (4, 2.5)> (6, 1)? Suppose now the consumer has strictly convex preferences, and and we know (2, 4) ~ (6,1). Does any of your ...
February 9, 2013 by raina

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?
April 28, 2008 by shan

optics
I want to substitude the ray optics analysis with what are the resultant waves that happen. I say "resultant" because many waves that would exist if they were alone, as they are not alone, after their superposition with the other waves become some resultant waves which are not...
May 13, 2011 by Theodore

Geometry
What is the sum of the measures of the interior angles of a convex octagon? What is the sum of the measures of the interior angles of a convex decagon? What is the measure of one interior angle of a regular polygon with 20 sides? Thank You! (:
February 3, 2010 by Alan

Science - Optics
A lens has a magnification of +2.0 and if the focal length is +10 find the impage position and the object position. The type of lens is a diverging lens, but how do i find the di and the do if nothing else is given?
February 28, 2010 by Yasmin

physics
what are the different layers of fiber optics
May 28, 2008 by sai

Physics
What do u mean by phase in wave optics??
June 15, 2012 by Abhi

Optics
How to find critical angle using n?
November 2, 2014 by Terry

optics
what is the success rate of laser eye surgery?
October 11, 2011 by joanne g

optics
An objuect is located 20cm in front of a -3.00 lens where is the image?
April 2, 2010 by Noelle

Art
Can someone please help me with this question because I am confused with this question. When doing mirror painting,children should: 1. draw and paint an object by looking at the object in the mirror. 2. draw or paint on handheld or full-length mirrors. 3. Use mirrors to look ...
April 7, 2007 by Chrissie--please read --bobpursley!!

Gr 11 Physics Optics Unit
Explain why a virtual image must always be upright.
November 25, 2009 by JOC

Physics/ optics
An object is located 25cm in front of a +6.00 lens, where is the image? is it real or virtual?
April 2, 2010 by Noelle

mis
what is the function of fiber optics communication cable and enterprise software for the it system in a school?
September 25, 2011 by digital city

MATH/OPTICS
given di=145, do=38,hi=-97 formula: hi/ho=-di/do how do i rearrange this?? i do not want the answer. need help rearranging equation please help!!
April 12, 2010 by lily

engineering science
The spherical side mirror on a car is convex and has a radius of curvature of 25 cm. Another car is following, 20 m behind the mirror. If the height of the car is 1.6 m, how tall is its image?
April 16, 2012 by lindiwe

Physics
Can mirrors create virtual inverted images?
February 24, 2009 by Brock

Physics: Lenses
1) A convex lens with a focal lenght of 4.0cm is placed 20.0cm from a concave lens with a focal lenght of 5.0cm. Find the position of the image when the object is placed 12.0c, in front of the convex lens. 2) A double concave lens has a refractive index of 1.5 radii of ...
March 23, 2009 by Anonymous

Physics
A real object is located at the zero end of a meter stick. A large concave mirror at the 100 cm end of the meter stick forms an image of the object at the 72.5 cm position. A small convex mirror placed at the 20.6 cm position forms a final image at the 10.0 cm point. What is ...
April 20, 2013 by Anonymous

Physics
Does the law of reflection only apply to mirrors or any object?
April 28, 2010 by Emily

sci
Is global warming skepticism just smoke and mirrors?
June 12, 2011 by meshelle

math
how can you estimate heights and distances with mirrors and similar triangles?
March 1, 2012 by Leda

Physics
Why is using mirrors to generate electricity not a common practice?
March 20, 2014 by Cherie

optics
Describe how you could find the focus of a converging lens using a candle, a sheet of white paper, and a ruler (be explicit)?
June 10, 2013 by reed

Science
A convex lens of magnifying glass is held 2.00 cm aove a page to magnify the print. if the image produced by the lens is 3.60 cm away and virtual, what is the focal lenth of the magnifying glass?
January 4, 2010 by Ramandeep

Science (optics)
Please help me!!!! A swimmer looks up from underwater in a pool and sees a tree. The light traveling in the air makes an ancle of 40 degrees, with the surface of the water. Calculate the anglethe light ray makes with the surface of the water ( n= 1.33) while traveling in the ...
January 21, 2010 by Dawn

Physics/Optics
What would the image size of the moon be if you photographed it at Cassegrain focus of a 24-inch telescope with a focal length of 9600mm?
April 22, 2013 by Blake

science optics
A cosmetic mirror is 50cm from your face and the magnified image of your face is upright. You are told that the focal length of the mirror is 45cm. Explain why this focal length is not possible. I understand that the image would be magnified and upright...that's about it
March 28, 2010 by lily

physics
the magnification caused by a convex lens is represented by Hi/Ho, where hi is the height of the image and ho is the height of the object. Using that ratio, show that the magnification caused by a convex lens is equal to di/do(ratio of the image distance to the object distance.
December 12, 2012 by hunar

Physics: true or false
A convex mirror forms a virtual, diminished, and upright image for all real objects regardless of the location of the object. A. True B. False Is it true? A convex mirror of focal length 10 cm forms an upright and magnified image of a real object places at a distance of 20 cm ...
April 5, 2009 by sophie

Science
Why are space telescopes able to make better observations in the ultraviolet and infrared ranges than ground-based telescopes? A)space telescopes are closer to the objects that they are observing B) the atmosphere absorbs or reflects much of the UV and IR radiation C) space ...
April 15, 2012 by Elena

physics
show that 1/sqrt(Msubscript 0 Esubscript 0)=C...I dont understand how to show this or what this question is asking..its for wave optics
April 29, 2008 by Jessica

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?

optics
Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve
November 26, 2012 by please help

physics
what is the physics principle behind fiber optics??
November 6, 2009 by jonas

Physics
How many times will the incident beam shown in Figure P25.3 (x = 1.90 m, y = 1.30 m) be reflected by each of the parallel mirrors? mirror on the right
November 6, 2008 by Nancy

physics
How many times will the incident beam shown in Figure P25.3 (x = 1.10 m, y = 1.80 m) be reflected by each of the parallel mirrors? mirror on the right
September 4, 2011 by nish

physics/optics
Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve
November 26, 2012 by please help

Geometry
Below is a worksheet I have to do for my geometry class. I am not sure about the answers I have given and I have no clue about the ones not answered. Any help will be much appreciated and thank you in advance. A. Determine the number of triangulations for a hexagon. 5 B. How ...
October 24, 2012 by Angie

physics
what are convex lenses?
August 25, 2012 by help

Optics
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm ( Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the earth).
April 22, 2013 by Blake

physics
physics behind fibre optics
October 31, 2010 by g

Optics/Physics
Predict the size of the image of Jupiter if photographed at opposition with a lens having a focal length of 9600 mm. (Assume Jupiter is a disk of 1.43 x 10^5 km and is 6.29 x 10^8 km from the Earth.)
April 23, 2013 by Blake

theoretical optics
Whereb must an object be placed from a concave mirror of radius of curvature of 6cm. to give an image on a screen four times as large as the object
March 19, 2012 by Barbie

geometry
Is a yield sign convex or concave?
January 27, 2008 by shorty

optics
Transpose the prescription -0.75DS/-3.25DCx30 to the toric form with a capstan-form surface which has a +2.50D base curve I have had a look at that website but still struggling
November 26, 2012 by please help Elena

Physics
Define the focal length of a convex mirror?
December 14, 2010 by Dylan

physics
why convex lens forms sn inverted image?
November 16, 2013 by Anonymous

optics ray tracing
light travels in a straight line, why is this important for the technique of ray tracing?
March 21, 2010 by Jose

physics mirrors
at what image distance is it difficult, but not impossible to locate a clearly focused image? i think that would be far from object.
January 5, 2012 by Shreya

Physics
Explain, with a diagram, how 2 plane mirrors could be fixed at a dangerous T-junction so that motorists approaching the junction could see all other traffic?
January 16, 2009 by Nabiha

quadrilateral and angle sums
what is the measure of a square convex to the nearest degree?
February 20, 2011 by Lexi

Geometry
Find the sum of the measures of the exterior angles of a convex 39-gon?
March 21, 2013 by Mariel

Physics - optics
the index of refraction of ruby is less than the index of refraction of diamond, Why?
July 28, 2013 by silent_klr

physics-optics
The index of refraction of Ruby is less than the index of refraction of diamond. Why?
July 31, 2013 by silent_klr

gen physics II optics
Find the radius of a star image formed on the retina of the eye if the aperture (pupil) diameter at night is 0.70 cm and the length of the eye is 3.1 cm. Assume the wavelength of the starlight in the eye is 500 nm. (1nm=10^9 m)
July 26, 2010 by Alinkashia

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