waves Flashcards

1
Q

sound waves are _____ waves

A

mechanical waves

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2
Q

mechanical waves ____ a medium

A

require a medium through which to travel

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3
Q

light waves are ____

A

electromagnetic waves

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4
Q

electromagnetic waves ____ a medium

A

do not require medium

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5
Q

sound waves are (transverse or longitudinal waves)

A

longitudinal

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6
Q

longitudinal waves can be polarized

A

FALSE

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7
Q

sound waves can be polarized

A

FALSE

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8
Q

light waves are (longitudinal/transverse) waves

A

transverse

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9
Q

transverse waves can be polarized

A

TRUE

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10
Q

Light waves can be polarized

A

TRUE

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11
Q

Why can or cannot light waves be polarized?

A

light waves are transverse waves and can be polarized

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12
Q

transverse waves the displacement of medium is ________ to the direction of energy transfer

A

perpendicular

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13
Q

longitudinal waves the displacement of medium is _______ to the direction of energy transfer

A

is in the same or opposite direction

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14
Q

longitudinal waves travel faster through

A

compressible medium

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15
Q

sound waves travel (faster/slower) in water than air

A

faster

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16
Q

light waves travel (faster/slower) in water than air

A

slower

17
Q

properties that are not dependent to distinction between transverse and longitudinal waves and experienced by both sound and light waves

A

reflection, refraction and diffraction

18
Q

diffraction

A

Diffraction refers to various phenomena which occur when a wave encounters an obstacle or a slit.

19
Q

the only exception the big wave rule #1

A

dispersion

20
Q

dispersion examples

A

rainbow

21
Q

dispersion

A

occurs to a beam containing more than 1 wavelength (white light for example)

22
Q

standing waves in pipe open at both ends. the ends are (nodes/antinodes)

A

antinodes

23
Q

what do waves do

A

waves transmit energy without transmitting matter