Waves Flashcards

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1
Q

What’s the symbol for frequency on the formula sheet?

A

f

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2
Q

What’s the unit for frequency ?

A

Hz

(Hertz)

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3
Q

What’s the symbol for period on the formula sheet?

A

T

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4
Q

What’s the unit for period?

A

s

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5
Q

How do you work out the period of a wave?

A

It’s the time it takes for 1 wave to pass

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6
Q

What’s the symbol for wavelength on the formula sheet?

A

λ

(lambda)

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7
Q

What’s the unit for wavelength?

A

m

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8
Q

How do you work out the wavelength of a wave?

A

It’s the length of one wave

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9
Q

What’s the amplitude of a wave?

A

The maximum height from the centre of the wave

Or (max-min)/2

NOTE - the amplitude is NOT on the formula sheet - you just measure it off a diagram

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10
Q

What is the order of the parts of the electromagnetic spectrum (from longest wavelength to shortest)?

A

Radio waves (longest wavelength)
Microwaves
Infrared
Visible Light
Ultraviolet
X-rays
Gamma rays (shortest wavelength)

Remember RaMILUXY

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11
Q

What’s the speed of an X-ray?

A

Speed of light (on data sheet)
3 x 10^8 ms^-1

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12
Q

Which part of the electromagnetic spectrum diffracts the most?

A

Radio waves
(longer wavelengths diffracts more than shorter wavelengths)

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13
Q
A
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