Question 1

Which of the following is not involved in the formation of a rainbow?

Accepted Answer

A) interference 
B) dispersion 
C) internal reflection 
D) refraction 
A) interference 
B) dispersion 
C) internal reflection 
D) refraction

Question 2

​Match each item with the correct statement below.
-what keeps a light ray inside an optical fiber

Accepted Answer

A) ​constructive interference 
B) ​converging 
C) ​convex mirror 
D) ​destructive interference 
E) ​diffuse reflection
F)​diffraction
G)​dispersion
H)​diverging
I)​liquid crystal display
J)​magnification
K)​one-way mirror
L)​parabolic
M)​real
N)​specular reflection
O)​total internal reflection
P)​virtual 
A) ​constructive interference 
B) ​converging 
C) ​convex mirror 
D) ​destructive interference 
E) ​diffuse reflection
F)​diffraction
G)​dispersion
H)​diverging
I)​liquid crystal display
J)​magnification
K)​one-way mirror
L)​parabolic
M)​real
N)​specular reflection
O)​total internal reflection
P)​virtual

Question 3

When an object is viewed through a magnifying glass,an object 20 cm high appears as an upright image 100 cm high.What is the magnification?

Accepted Answer

The answer of When an object is viewed through a...

Question 4

​Match each item with the correct statement below.
-the type of mirror on the passenger side of modern automobiles

Accepted Answer

A) ​constructive interference 
B) ​converging 
C) ​convex mirror 
D) ​destructive interference 
E) ​diffuse reflection
F)​diffraction
G)​dispersion
H)​diverging
I)​liquid crystal display
J)​magnification
K)​one-way mirror
L)​parabolic
M)​real
N)​specular reflection
O)​total internal reflection
P)​virtual 
A) ​constructive interference 
B) ​converging 
C) ​convex mirror 
D) ​destructive interference 
E) ​diffuse reflection
F)​diffraction
G)​dispersion
H)​diverging
I)​liquid crystal display
J)​magnification
K)​one-way mirror
L)​parabolic
M)​real
N)​specular reflection
O)​total internal reflection
P)​virtual

Question 5

When myopia is corrected surgically,the shape of the ________ is changed.

Accepted Answer

The answer of When myopia is corrected surgically,the shape of...

Question 6

Halos are most often observed in the ____________ time of the year

Accepted Answer

A) spring 
B) summer 
C) fall 
D) winter 
A) spring 
B) summer 
C) fall 
D) winter

Question 7

An object is 50 cm in front of a plane mirror.Its image will be located

Accepted Answer

A) 50 cm in front of the mirror. 
B) at the mirror's surface. 
C) 50 cm behind the mirror. 
D) 25 cm in front of the mirror. 
E) 25 cm behind the mirror. 
A) 50 cm in front of the mirror. 
B) at the mirror's surface. 
C) 50 cm behind the mirror. 
D) 25 cm in front of the mirror. 
E) 25 cm behind the mirror.

Question 8

What is meant by the "normal" to a surface?

Accepted Answer

A) a line perpendicular to the surface at a given point 
B) the angle between the surface and the light ray 
C) a line parallel to the surface at a given point 
D) the direction of a reflected ray 
A) a line perpendicular to the surface at a given point 
B) the angle between the surface and the light ray 
C) a line parallel to the surface at a given point 
D) the direction of a reflected ray

Question 9

​Match each item with the correct statement below.
-ideal shape for a telescope's primary mirror

Accepted Answer

A) ​constructive interference 
B) ​converging 
C) ​convex mirror 
D) ​destructive interference 
E) ​diffuse reflection
F)​diffraction
G)​dispersion
H)​diverging
I)​liquid crystal display
J)​magnification
K)​one-way mirror
L)​parabolic
M)​real
N)​specular reflection
O)​total internal reflection
P)​virtual 
A) ​constructive interference 
B) ​converging 
C) ​convex mirror 
D) ​destructive interference 
E) ​diffuse reflection
F)​diffraction
G)​dispersion
H)​diverging
I)​liquid crystal display
J)​magnification
K)​one-way mirror
L)​parabolic
M)​real
N)​specular reflection
O)​total internal reflection
P)​virtual

Question 10

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

Accepted Answer

The answer of When you look into a pool of...

Question 11

Of EM waves having these wavelengths,which would be visible?

Accepted Answer

A) 100 nm 
B) 500 nm 
C) 1000 nm 
D) 1 nm 
E) none of the above 
A) 100 nm 
B) 500 nm 
C) 1000 nm 
D) 1 nm 
E) none of the above

Question 12

In air a light source emits a wavelength of 630 nm.Under water the wavelength of this light will be

Accepted Answer

A) 630 nm. 
B) less than 630 nm. 
C) more than 630 nm. 
D) unpredictable. 
A) 630 nm. 
B) less than 630 nm. 
C) more than 630 nm. 
D) unpredictable.

Question 13

An image formed using a converging lens

Accepted Answer

A) is always real. 
B) is always virtual. 
C) can have negative magnification. 
D) can never be upright. 
A) is always real. 
B) is always virtual. 
C) can have negative magnification. 
D) can never be upright.

Question 14

A diverging lens is thicker at the center than the edges.

Accepted Answer

A) True 
 B)False

Question 15

Optical fibers work because of dispersion of light.

Accepted Answer

A) True 
 B)False

Question 16

When light passes through two or more narrow slits,an alternating dark and bright pattern is observed on a screen because of interference.

Accepted Answer

A) True 
 B)False

Question 17

In optics,what is meant by an "interface?"

Accepted Answer

A) optically connecting one computer to another 
B) using the image created by one lens as the object for another lens 
C) when the crest of one wave lines up with the trough of another wave 
D) none of the above 
A) optically connecting one computer to another 
B) using the image created by one lens as the object for another lens 
C) when the crest of one wave lines up with the trough of another wave 
D) none of the above

Question 18

Halos are caused by hexagonal ice crystals in the upper atmosphere.

Accepted Answer

A) True 
 B)False

Question 19

A helium neon laser generates light of 632.8-nm wavelength.What color is that?

Accepted Answer

A) blue 
B) yellow 
C) red 
D) green 
A) blue 
B) yellow 
C) red 
D) green

Question 20

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 magnification of the magnifying glass in is

Accepted Answer

A) +3. 
B) -3. 
C) +15. 
D) -15. 
E) +30. 
A) +3. 
B) -3. 
C) +15. 
D) -15. 
E) +30.

Which of the following is not involved in the formation of a rainbow?

Match each item with the correct statement below. -what keeps a light ray inside an optical fiber

When an object is viewed through a magnifying glass,an object 20 cm high appears as an upright image 100 cm high.What is the magnification?

Match each item with the correct statement below. -the type of mirror on the passenger side of modern automobiles

When myopia is corrected surgically,the shape of the ________ is changed.

Halos are most often observed in the ____________ time of the year

An object is 50 cm in front of a plane mirror.Its image will be located

What is meant by the "normal" to a surface?

Match each item with the correct statement below. -ideal shape for a telescope's primary mirror

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

Of EM waves having these wavelengths,which would be visible?

In air a light source emits a wavelength of 630 nm.Under water the wavelength of this light will be

An image formed using a converging lens

A diverging lens is thicker at the center than the edges.

Optical fibers work because of dispersion of light.

When light passes through two or more narrow slits,an alternating dark and bright pattern is observed on a screen because of interference.

In optics,what is meant by an "interface?"

Halos are caused by hexagonal ice crystals in the upper atmosphere.

A helium neon laser generates light of 632.8-nm wavelength.What color is that?

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 magnification of the magnifying glass in is

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

Exam 9: Optics

Which of the following is not involved in the formation of a rainbow?

​Match each item with the correct statement below. -what keeps a light ray inside an optical fiber

When an object is viewed through a magnifying glass,an object 20 cm high appears as an upright image 100 cm high.What is the magnification?

​Match each item with the correct statement below. -the type of mirror on the passenger side of modern automobiles

When myopia is corrected surgically,the shape of the ________ is changed.

Halos are most often observed in the ____________ time of the year

An object is 50 cm in front of a plane mirror.Its image will be located

What is meant by the "normal" to a surface?

​Match each item with the correct statement below. -ideal shape for a telescope's primary mirror

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

Of EM waves having these wavelengths,which would be visible?

In air a light source emits a wavelength of 630 nm.Under water the wavelength of this light will be

An image formed using a converging lens

A diverging lens is thicker at the center than the edges.

Optical fibers work because of dispersion of light.

When light passes through two or more narrow slits,an alternating dark and bright pattern is observed on a screen because of interference.

In optics,what is meant by an "interface?"

Halos are caused by hexagonal ice crystals in the upper atmosphere.

A helium neon laser generates light of 632.8-nm wavelength.What color is that?

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 magnification of the magnifying glass in is

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

Match each item with the correct statement below. -what keeps a light ray inside an optical fiber

Match each item with the correct statement below. -the type of mirror on the passenger side of modern automobiles

Match each item with the correct statement below. -ideal shape for a telescope's primary mirror