Waves Flashcards

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1
Q

What is the difference between a transverse and longitudinal wave.

A

Transverse: perpendicular to energy transfer.
Longitudinal: parallel to energy transfer.

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2
Q

Give one example of a longitudinal and transverse wave.

A

Longitudinal: Sound waves
Transverse: EM waves

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3
Q

What is the formula for time period?

A

T = 1/f

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4
Q

What is the formula for frequency?

A

f = 1/T
OR
f = n/t

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5
Q

What is the formula for wavelength?

A

w = v/f

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6
Q

What is the formula for wave speed?

A

v = fw

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7
Q

What is the Doppler effect?

A

When the wavelength and frequency of a sound wave change, but the speed of the wave stays the same.

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8
Q

What will happen to the pitch of a sound moving away from you?

A

It will become lower

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9
Q

Why would the pitch of a sound change as an object moves towards you?

A

The wavefronts would be squashed closer together as the object approaches.

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