Term
The electromagnetic spectrum spans waves ranging from lowest to highest frequencies. The smallest portion of the electromagnetic spectrum is that of:
A. radio waves.
B.microwaves.
C.visible light.
D.gamma rays. |
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Definition
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Term
A photographer wishes to photograph a lightning bolt by setting a camera so that it is triggered by the sound of thunder.
Is this a good idea or a poor idea?
A. Good idea for nearby lightning strikes.
B.Good idea for all strikes.
C.Poor idea for nearby lightning strikes.
D.Poor idea for all strikes. |
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Definition
| D.Poor idea for all strikes. |
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Term
Strictly speaking, the photons of light incident on glass are:
A. also the ones that travel through and exit the other side.
B.not the ones that travel through and exit the other side.
C.absorbed and transformed to thermal energy.
D.diffracted. |
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Definition
| B.not the ones that travel through and exit the other side. |
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Term
When you stand 2 meters in front of a plane mirror, your image is
A. 2 meters in back of the mirror.
B.4 meters from you.
C.Both A and B.
None of the above |
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Definition
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Term
Refracted light that bends toward the normal is light that has
.A slowed down.
B.sped up.
C.nearly been absorbed.
D.diffracted. |
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Definition
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Term
Refracted light that bends away from the normal is light that has
A. slowed down.
B.sped up.
C.nearly been absorbed.
D.diffracted. |
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Definition
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Term
Which of these would not exist if light didn’t slow in transparent materials?
A. Rainbows.
B.Mirages.
C.Magnifying glasses.
D.All wouldn’t be. |
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Definition
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Term
When white light passes through a prism, green light is bent more than
A. blue light.
B.violet light.
C.red light.
D.None of the above |
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Definition
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Term
Compared with the primary rainbow, the secondary bow
A. is dimmer.
B.has colors reversed.
C.is caused by two internal reflections.
D.All of the above. |
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Definition
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Term
Polarization occurs for waves that are
A. transverse.
B.longitudinal.
C.Both A and B.
D.Neither A nor B. |
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Definition
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Term
The electromagnetic spectrum spans waves ranging from lowest to highest frequencies. The smallest portion of the electromagnetic spectrum is that of
•A) radio waves
•B) microwaves
•C) visible lights
•D) gamma rays |
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Definition
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Term
Strictly speaking, the photons of light that shine on glass are
•A) also the ones that travel through and exit the other side
•B) not the ones that travel through and exit the other side
•C) absorbed and transformed to thermal energy
•D) diffracted |
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Definition
•B) not the ones that travel through and exit the other side |
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Term
The law of reflection applies to
•A) light
•B) sound
•C)both of these
•D) neither of these |
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Definition
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Term
When a light ray passes at an angle from air to water, the ray inside the water bends
•A) toward the normal
•B) away from the normal
•C) either away or toward the normal
•D) parallel to the normal |
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Definition
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Term
A red rose does not appear red when illuminated only with
•A) red light
•B) orange light
•C) white light
•D) cyan light |
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Definition
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Term
Red, green, and blue light overlap to form
•A) red light
•B) green light
•C)blue light
•D) white light |
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Definition
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Term
When light travels from one medium to another, and changes speed in doing so, we call the process
•A) reflection
•B) interference
•C) dispersion
•D) refraction* this answer wasn’t in the book |
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Definition
| D) refraction* this answer wasn’t in the book |
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Term
When light incident on a prism separates into spectrum, we call the process
•A) polarization
•B) interference
•C) dispersion
•D) none of the above |
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Definition
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Term
A rainbow illustrates properties of
•A) reflection
•B) refraction
•C) dispersion
•D) all of these |
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Definition
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Term
Polarization occurs for waves that are
•A) translational
•B) longitudinal
•C) both of these
•D) neither of these |
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Definition
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