Calculation with waves Flashcards

1
Q

What is the “period” of a wave?

A
  • Time taken for 1 complete wave to pass a fixed point, measured in seconds.
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2
Q

What is the “frequency” of a wave?

A
  • Number of waves passing a fixed point per second, measured in Hertz (Hz)
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3
Q

What is the equation that links period and frequency?

A
T= 1/f
Period = 1/ frequency
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4
Q

What is the equation for calculating speed of a wave?

A
V= f x λ
Velocity = frequency x wavelength
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5
Q

How do you measure the speed of sound in air using echos?

A

V = 2 x distance/ Time taken

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6
Q

What is the speed of light?

A

3x10⁸ m/s

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7
Q

What is the speed of sound in air?

A

330m/s

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