Question 1

To perceive greater detail a dolphin emits sounds of

Accepted Answer

A) lower frequency. 
B) higher frequency. 
C) greater intensity. 
D) greater speed. 
E) none of these 
A) lower frequency. 
B) higher frequency. 
C) greater intensity. 
D) greater speed. 
E) none of these

Question 2

The glare seen from water is largely

Accepted Answer

A) horizontally polarized. 
B) vertically polarized. 
C) unpolarized. 
A) horizontally polarized. 
B) vertically polarized. 
C) unpolarized.

Question 3

Consider plane waves incident upon a barrier with a small opening.After passing through the opening,the waves

Accepted Answer

A) continue as plane waves. 
B) fan out. 
C) converge. 
D) become polarized. 
E) all of these 
A) continue as plane waves. 
B) fan out. 
C) converge. 
D) become polarized. 
E) all of these

Question 4

The vibrational direction of the electron and the plane of polarization of the light it emits

Accepted Answer

A) are the same. 
B) are at right angles to each other. 
C) may or may not be at right angles to each other. 
D) are independent of each other. 
A) are the same. 
B) are at right angles to each other. 
C) may or may not be at right angles to each other. 
D) are independent of each other.

Question 5

Magnification can be accomplished with a hologram when viewed with light that has a

Accepted Answer

A) longer wavelength than the original light. 
B) shorter wavelength than the original light. 
C) Holograms cannot be magnified. 
A) longer wavelength than the original light. 
B) shorter wavelength than the original light. 
C) Holograms cannot be magnified.

Question 6

Newton's rings are a demonstration of

Accepted Answer

A) refraction. 
B) reflection. 
C) dispersion. 
D) polarization. 
E) interference. 
A) refraction. 
B) reflection. 
C) dispersion. 
D) polarization. 
E) interference.

Question 7

Monochromatic light is light of a single

Accepted Answer

A) wavelength. 
B) frequency. 
C) color. 
D) all of these 
E) none of these 
A) wavelength. 
B) frequency. 
C) color. 
D) all of these 
E) none of these

Question 8

The amount of light from an incandescent lamp that is transmitted through an ideal Polaroid filter is half,and through a real Polaroid filter is

Accepted Answer

A) less than half. 
B) more than half. 
C) half. 
A) less than half. 
B) more than half. 
C) half.

Question 9

Interference colors in a soap bubble give evidence that the soap film

Accepted Answer

A) has two reflecting surfaces. 
B) is thin. 
C) both of these 
D) neither of these 
A) has two reflecting surfaces. 
B) is thin. 
C) both of these 
D) neither of these

Question 10

Waves diffract the most when their wavelength is

Accepted Answer

A) short. 
B) long. 
C) Both diffract the same. 
A) short. 
B) long. 
C) Both diffract the same.

Question 11

An inventor proposes to equip an office with a polarized source of background music and let those who prefer not to hear it wear polarizing earplugs.His idea is

Accepted Answer

A) a good one - giving people a choice. 
B) too expensive. 
C) too much bother. 
D) nonsense - you can't polarize a sound wave. 
A) a good one - giving people a choice. 
B) too expensive. 
C) too much bother. 
D) nonsense - you can't polarize a sound wave.

Question 12

Viewing exact duplicates of slides in the left and right positions of a stereo projector produces

Accepted Answer

A) depth. 
B) no depth. 
A) depth. 
B) no depth.

Question 13

A property of non-cubic transparent crystals is that light travels through them

Accepted Answer

A) in mutually perpendicular directions. 
B) without refracting. 
C) and becomes polarized in the process. 
D) at different speeds along different optic axes. 
E) none of these 
A) in mutually perpendicular directions. 
B) without refracting. 
C) and becomes polarized in the process. 
D) at different speeds along different optic axes. 
E) none of these

Question 14

Interference colors for light are analogous to

Accepted Answer

A) resonance for sound. 
B) the sonic boom for sound. 
C) partial tones for sound. 
D) Fourier analysis for sound. 
E) beats for sound. 
A) resonance for sound. 
B) the sonic boom for sound. 
C) partial tones for sound. 
D) Fourier analysis for sound. 
E) beats for sound.

Question 15

Camera lenses coated with a layer of transparent material of the right thickness are almost completely non-reflective for light near the middle of the visible spectrum.They do,however,reflect a significant amount of

Accepted Answer

A) green. 
B) red. 
C) white. 
D) violet. 
E) red and violet. 
A) green. 
B) red. 
C) white. 
D) violet. 
E) red and violet.

Question 16

Interference effects are less visible for thick films because the reflected waves

Accepted Answer

A) from the bottom surface are too dim. 
B) become too dispersed. 
C) all end up in phase with each other. 
D) are too displaced to interfere. 
A) from the bottom surface are too dim. 
B) become too dispersed. 
C) all end up in phase with each other. 
D) are too displaced to interfere.

Question 17

The spacing of Newton's rings will be greater with

Accepted Answer

A) red light. 
B) blue light. 
C) white light. 
A) red light. 
B) blue light. 
C) white light.

Question 18

A hologram is simply a

Accepted Answer

A) complex diffraction grating. 
B) thin sheet of non-cubic transparent crystals. 
C) pair of semi-crossed polarization filters. 
D) thin photographic film with microscopic images over the entire surface. 
E) none of these 
A) complex diffraction grating. 
B) thin sheet of non-cubic transparent crystals. 
C) pair of semi-crossed polarization filters. 
D) thin photographic film with microscopic images over the entire surface. 
E) none of these

Question 19

For viewing tiny objects in a microscope,diffraction is

Accepted Answer

A) helpful. 
B) a hindrance. 
C) not a factor. 
A) helpful. 
B) a hindrance. 
C) not a factor.

Question 20

The type of radio waves that is diffracted the most around small buildings are

Accepted Answer

A) AM. 
B) FM. 
C) Both diffract equally. 
A) AM. 
B) FM. 
C) Both diffract equally.

Exam 29: Light Waves

To perceive greater detail a dolphin emits sounds of

The glare seen from water is largely

Consider plane waves incident upon a barrier with a small opening.After passing through the opening,the waves

The vibrational direction of the electron and the plane of polarization of the light it emits

Magnification can be accomplished with a hologram when viewed with light that has a

Newton's rings are a demonstration of

Monochromatic light is light of a single

The amount of light from an incandescent lamp that is transmitted through an ideal Polaroid filter is half,and through a real Polaroid filter is

Interference colors in a soap bubble give evidence that the soap film

Waves diffract the most when their wavelength is

An inventor proposes to equip an office with a polarized source of background music and let those who prefer not to hear it wear polarizing earplugs.His idea is

Viewing exact duplicates of slides in the left and right positions of a stereo projector produces

A property of non-cubic transparent crystals is that light travels through them

Interference colors for light are analogous to

Camera lenses coated with a layer of transparent material of the right thickness are almost completely non-reflective for light near the middle of the visible spectrum.They do,however,reflect a significant amount of

Interference effects are less visible for thick films because the reflected waves

The spacing of Newton's rings will be greater with

A hologram is simply a

For viewing tiny objects in a microscope,diffraction is

The type of radio waves that is diffracted the most around small buildings are

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