Question 1

An object is placed 10 cm to the left of a converging spherical lens. The lens has a focal length of f = 5 cm. Where is the image formed?

Accepted Answer

A)  3.3 cm to the left of the lens 
B)  3.3 cm to the right of the lens 
C)  10 cm to the left of the lens 
D)  10 cm to the right of the lens 
A)  3.3 cm to the left of the lens 
B)  3.3 cm to the right of the lens 
C)  10 cm to the left of the lens 
D)  10 cm to the right of the lens

Question 2

The image of a convex mirror is always

Accepted Answer

A)  virtual, inverted, and larger. 
B)  virtual, upright, and smaller. 
C)  real, upright, and smaller. 
D)  real, inverted, and larger. 
A)  virtual, inverted, and larger. 
B)  virtual, upright, and smaller. 
C)  real, upright, and smaller. 
D)  real, inverted, and larger.

Question 3

The photoreceptors responsible for color vision are called

Accepted Answer

A)  rods. 
B)  cylinders. 
C)  cones. 
D)  cans. 
A)  rods. 
B)  cylinders. 
C)  cones. 
D)  cans.

Question 4

A concave mirror will produce

Accepted Answer

A)  only inverted images. 
B)  real or virtual images. 
C)  only virtual images. 
D)  only real images. 
A)  only inverted images. 
B)  real or virtual images. 
C)  only virtual images. 
D)  only real images.

Question 5

For total internal reflection, light is ______________ and none is ______________.

Accepted Answer

A)  refracted; reflected 
B)  refracted; transmitted 
C)  reflected; transmitted 
D)  transmitted; reflected 
A)  refracted; reflected 
B)  refracted; transmitted 
C)  reflected; transmitted 
D)  transmitted; reflected

Question 6

An object is placed at the center of curvature of a concave mirror. The image is

Accepted Answer

A)  inverted, real, and the same size as the object. 
B)  virtual and the same size as the object. 
C)  virtual and smaller than the object. 
D)  virtual and enlarged. 
E)  erect, real, and the same size as the object. 
A)  inverted, real, and the same size as the object. 
B)  virtual and the same size as the object. 
C)  virtual and smaller than the object. 
D)  virtual and enlarged. 
E)  erect, real, and the same size as the object.

Question 7

A person who can clearly see nearby objects but not distant ones is ______________.

Accepted Answer

The answer of A person who can clearly see nearby...

Question 8

If a ray of light passes from air into glass, the light will

Accepted Answer

A)  travel along the normal. 
B)  bend toward the normal. 
C)  bend away from the normal. 
D)  continue traveling in the same direction. 
A)  travel along the normal. 
B)  bend toward the normal. 
C)  bend away from the normal. 
D)  continue traveling in the same direction.

Question 9

The trapping of light in "light pipes," or fiber optics, is due to

Accepted Answer

A)  total internal reflection. 
B)  refraction. 
C)  absorption of the outside light. 
D)  diffraction. 
A)  total internal reflection. 
B)  refraction. 
C)  absorption of the outside light. 
D)  diffraction.

Question 10

A reflected ray of light leaves a plane mirror's surface at an angle of 60° relative to the normal. The angle of incidence was

Accepted Answer

A)  60° relative to the surface. 
B)  60° relative to the normal. 
C)  90° from the surface. 
D)  none of these. 
A)  60° relative to the surface. 
B)  60° relative to the normal. 
C)  90° from the surface. 
D)  none of these.

Question 11

All real images

Accepted Answer

A)  cannot be focused on a screen. 
B)  are erect. 
C)  can be focused on a screen. 
D)  are inverted. 
A)  cannot be focused on a screen. 
B)  are erect. 
C)  can be focused on a screen. 
D)  are inverted.

Question 12

According to the law of reflection, the angle of reflection is equal to ______________.

Accepted Answer

the angle

Question 13

A(n) ______________ image is defined as one that can be brought to a focus on a screen.

Accepted Answer

A)  virtual 
B)  real 
C)  upright 
D)  inverted 
A)  virtual 
B)  real 
C)  upright 
D)  inverted

Question 14

The separation of white light into its component colors is called

Accepted Answer

A)  polarization. 
B)  diffraction. 
C)  dispersion. 
D)  refraction. 
A)  polarization. 
B)  diffraction. 
C)  dispersion. 
D)  refraction.

Question 15

An object is placed 5 cm to the left of a converging spherical lens. The lens has a focal length of f = 10 cm. What kind of image is formed and what is its orientation?

Accepted Answer

A)  Real/Upright 
B)  Virtual/Upright 
C)  Virtual/Inverted 
D)  Real/Inverted 
A)  Real/Upright 
B)  Virtual/Upright 
C)  Virtual/Inverted 
D)  Real/Inverted

Question 16

An example of a converging spherical mirror is a

Accepted Answer

A)  flashlight reflector. 
B)  bathroom mirror. 
C)  spherical truck mirror. 
D)  hubcap. 
A)  flashlight reflector. 
B)  bathroom mirror. 
C)  spherical truck mirror. 
D)  hubcap.

Question 17

The image of a real object formed by a single converging lens cannot be

Accepted Answer

A)  real, inverted, and enlarged. 
B)  real, inverted, and the same size as the object. 
C)  virtual, upright, and enlarged. 
D)  real, inverted, and reduced. 
E)  virtual, upright, and reduced. 
A)  real, inverted, and enlarged. 
B)  real, inverted, and the same size as the object. 
C)  virtual, upright, and enlarged. 
D)  real, inverted, and reduced. 
E)  virtual, upright, and reduced.

Question 18

Light traveling from a more dense to a less dense medium is refracted ______________ the normal.

Accepted Answer

The answer of Light traveling from a more dense to...

Question 19

Light for which the electric field vector is restricted to one plane is said to be

Accepted Answer

A)  linearly polarized. 
B)  linearly refracted. 
C)  linearly reflected. 
D)  unpolarized. 
A)  linearly polarized. 
B)  linearly refracted. 
C)  linearly reflected. 
D)  unpolarized.

Question 20

The observation of a "wet spot" on a hot highway in the summer is caused by

Accepted Answer

A)  dispersion. 
B)  diffraction. 
C)  refraction. 
D)  reflection. 
A)  dispersion. 
B)  diffraction. 
C)  refraction. 
D)  reflection.

Exam 7: Optics and Wave Effects

An object is placed 10 cm to the left of a converging spherical lens. The lens has a focal length of f = 5 cm. Where is the image formed?

The image of a convex mirror is always

The photoreceptors responsible for color vision are called

A concave mirror will produce

For total internal reflection, light is ______________ and none is ______________.

An object is placed at the center of curvature of a concave mirror. The image is

A person who can clearly see nearby objects but not distant ones is ______________.

If a ray of light passes from air into glass, the light will

The trapping of light in "light pipes," or fiber optics, is due to

A reflected ray of light leaves a plane mirror's surface at an angle of 60° relative to the normal. The angle of incidence was

All real images

According to the law of reflection, the angle of reflection is equal to ______________.

A(n) ______________ image is defined as one that can be brought to a focus on a screen.

The separation of white light into its component colors is called

An object is placed 5 cm to the left of a converging spherical lens. The lens has a focal length of f = 10 cm. What kind of image is formed and what is its orientation?

An example of a converging spherical mirror is a

The image of a real object formed by a single converging lens cannot be

Light traveling from a more dense to a less dense medium is refracted ______________ the normal.

Light for which the electric field vector is restricted to one plane is said to be

The observation of a "wet spot" on a hot highway in the summer is caused by

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