Question 1

According to the law of reflection,a light ray striking a mirror at an angle of incidence of 30 degrees will leaves the mirror at an angle of

Accepted Answer

A) 60 degrees. 
B) 30 degrees. 
C) less than 30 degrees. 
D) none of the above. 
A) 60 degrees. 
B) 30 degrees. 
C) less than 30 degrees. 
D) none of the above.

Question 2

The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is   The magnification of a lens is  
-A movie projector is equipped with a 0.5-m focal length lens that is positioned 0.505 m in front of the film.The distance in front of the lens that a screen must be placed for an image to be in focus is

Accepted Answer

A) 0.5 m. 
B) 0.505 m. 
C) 50.5 m. 
D) 500 m. 
E) 505 m. 
A) 0.5 m. 
B) 0.505 m. 
C) 50.5 m. 
D) 500 m. 
E) 505 m.

Question 3

The fact that light can be polarized shows that light is

Accepted Answer

A) polar. 
B) monochromatic. 
C) an electromagnetic wave. 
D) a transverse wave. 
A) polar. 
B) monochromatic. 
C) an electromagnetic wave. 
D) a transverse wave.

Question 4

Light is totally absorbed when sent through two Polaroid filters if their transmission axes are __________.

Accepted Answer

The answer of Light is totally absorbed when sent through...

Question 5

The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is   The magnification of a lens is  
-The magnification of the magnifying glass in the previous problem is -3.

Accepted Answer

A) True 
 B)False

Question 6

When you look into a pool of water,the depth looks less than it actually is because the light is dispersed.

Accepted Answer

A) True 
 B)False

Question 7

New telescopes are using "adaptive optics." What is that?

Accepted Answer

A) using parabolic instead of spherical mirrors 
B) using computer image processing to enhance images 
C) building mirrors in hexagonal segments 
D) continually adjusting the mirror's shape during observations 
A) using parabolic instead of spherical mirrors 
B) using computer image processing to enhance images 
C) building mirrors in hexagonal segments 
D) continually adjusting the mirror's shape during observations

Question 8

The ideal shape for the primary mirror of a telescope is

Accepted Answer

A) concave circular. 
B) convex circular. 
C) concave parabolic. 
D) convex parabolic. 
E) plane. 
A) concave circular. 
B) convex circular. 
C) concave parabolic. 
D) convex parabolic. 
E) plane.

Question 9

The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is   The magnification of a lens is  
-A magnifying glass with focal length 15 cm is placed 10 cm above a stamp.The image of the stamp is located __________ the magnifying glass.

Accepted Answer

The answer of The lens formula relating the image distance,p,to...

Question 10

A nanometer is

Accepted Answer

A) one thousandth of a meter. 
B) one millionth of a meter. 
C) one billionth of a meter. 
D) one trillionth of a meter. 
E) none of the above. 
A) one thousandth of a meter. 
B) one millionth of a meter. 
C) one billionth of a meter. 
D) one trillionth of a meter. 
E) none of the above.

Question 11

You do not see your image when you look at a flat rough aluminum surface because of specular reflection.

Accepted Answer

A) True 
 B)False

Question 12

The ideal shape for the primary mirror of a telescope is concave parabolic.

Accepted Answer

A) True 
 B)False

Question 13

Optical fibers work because of

Accepted Answer

A) interference. 
B) diffraction. 
C) total internal reflection. 
D) diffuse reflection. 
E) polarization. 
A) interference. 
B) diffraction. 
C) total internal reflection. 
D) diffuse reflection. 
E) polarization.

Question 14

Which of the lines in the figure represents the normal to the surface at point P?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) none of the above 
A) 1 
B) 2 
C) 3 
D) 4 
E) none of the above

Question 15

The Hubble Space Telescope

Accepted Answer

A) has a flawed primary mirror. 
B) has been repaired. 
C) has failed. 
D) none of the above 
A) has a flawed primary mirror. 
B) has been repaired. 
C) has failed. 
D) none of the above

Question 16

A curved mirror that produces an enlarged image will also have a greater field of view than a plane mirror.

Accepted Answer

A) True 
 B)False

Question 17

Light spreads out when it passes through a narrow slit because of interference.

Accepted Answer

A) True 
 B)False

Question 18

The colors you see with a prism result because the light is diffracted.

Accepted Answer

A) True 
 B)False

Question 19

The path of a light ray through a refracting surface is reversible.

Accepted Answer

A) True 
 B)False

Question 20

The colors you see with a prism result because of __________.

Accepted Answer

The answer of The colors you see with a prism...

According to the law of reflection,a light ray striking a mirror at an angle of incidence of 30 degrees will leaves the mirror at an angle of

The fact that light can be polarized shows that light is

Light is totally absorbed when sent through two Polaroid filters if their transmission axes are __________.

The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is The magnification of a lens is -The magnification of the magnifying glass in the previous problem is -3.

When you look into a pool of water,the depth looks less than it actually is because the light is dispersed.

New telescopes are using "adaptive optics." What is that?

The ideal shape for the primary mirror of a telescope is

The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is The magnification of a lens is -A magnifying glass with focal length 15 cm is placed 10 cm above a stamp.The image of the stamp is located __________ the magnifying glass.

A nanometer is

You do not see your image when you look at a flat rough aluminum surface because of specular reflection.

The ideal shape for the primary mirror of a telescope is concave parabolic.

Optical fibers work because of

Which of the lines in the figure represents the normal to the surface at point P?

The Hubble Space Telescope

A curved mirror that produces an enlarged image will also have a greater field of view than a plane mirror.

Light spreads out when it passes through a narrow slit because of interference.

The colors you see with a prism result because the light is diffracted.

The path of a light ray through a refracting surface is reversible.

The colors you see with a prism result because of __________.

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

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Exam 9: Optics

According to the law of reflection,a light ray striking a mirror at an angle of incidence of 30 degrees will leaves the mirror at an angle of

The fact that light can be polarized shows that light is

Light is totally absorbed when sent through two Polaroid filters if their transmission axes are __________.

The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is The magnification of a lens is -The magnification of the magnifying glass in the previous problem is -3.

When you look into a pool of water,the depth looks less than it actually is because the light is dispersed.

New telescopes are using "adaptive optics." What is that?

The ideal shape for the primary mirror of a telescope is

The lens formula relating the image distance,p,to the focal length,f,and object distance,s,is The magnification of a lens is -A magnifying glass with focal length 15 cm is placed 10 cm above a stamp.The image of the stamp is located __________ the magnifying glass.

A nanometer is

You do not see your image when you look at a flat rough aluminum surface because of specular reflection.

The ideal shape for the primary mirror of a telescope is concave parabolic.

Optical fibers work because of

Which of the lines in the figure represents the normal to the surface at point P?

The Hubble Space Telescope

A curved mirror that produces an enlarged image will also have a greater field of view than a plane mirror.

Light spreads out when it passes through a narrow slit because of interference.

The colors you see with a prism result because the light is diffracted.

The path of a light ray through a refracting surface is reversible.

The colors you see with a prism result because of __________.

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electricity

Electromagnetism and Em Waves

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters