Waves

Question 1

What are waves used to do ?

Answer 1

Transfer energy.

Question 2

What is a Transverse Wave?

Answer 2

A wave where the particles vibrate at right angles to the direction of the energy transfer

Question 3

What is a Longitudinal wave?

Answer 3

A wave where the particles vibrate in the same direction as the motion of the wave.

Question 4

What is an example of a Longitudinal wave?

Answer 4

Sound wave

Question 5

What are 3 examples of Transverse waves?

Answer 5

Water, light, radiowaves, microwaves or x-rays

Question 6

What is the frequency of a wave?

Answer 6

The number of waves produced in one second.

Question 7

What is the unit for frequency?

Answer 7

HZ (Hertz)

Question 8

What is the Amplitude of a wave?

Answer 8

The height of a wave (centre to top/bottom)

Question 9

What is the wavelength of a wave?

Answer 9

Length of a wave (peak to peak)

Question 10

What is the period of a wave?

Answer 10

Time for one wave

Question 11

What is refraction?

Answer 11

The change in wave speed of light when changing medium.

Question 12

What type of waves are the EM Spectrum?

Answer 12

Transverse

Question 13

What speed do EM waves travel at ?

Answer 13

Speed of light (3.0x10*8 ms-1)

Question 14

The order of the EM spectrum in increasing frequency and decreasing wavelength is:

Answer 14

radio - microwave - infared - visable - ultraviolet - x-ray - gamma ray