Question 1

What is a character of a longitudinal wave?

Accepted Answer

It contains areas of compression and rarefaction

Answer

It contains electric waves

Answer

It contains magnetic waves

Answer

It contains both electric and magnetic waves

Question 2

In addition to being reflected and refracted, how can waves also be manipulated?

Accepted Answer

Diffracted

Answer

Diffused

Answer

Heated

Answer

By freezing

Question 3

What is the formula of the wave equation?

Accepted Answer

v=fλ

Answer

v=f⁄λ

Answer

v=λ⁄f

Answer

f=λ⁄v

Question 4

What units is frequency measured in?

Accepted Answer

Hertz

Answer

Coulombs

Answer

Metres

Answer

Volts

Question 5

What units is wavelength measured in?

Accepted Answer

Metres

Answer

Hertz

Answer

Feet

Answer

Inches

Question 6

What types of waves are used for communications?

Accepted Answer

All of these

Answer

Light waves

Answer

Microwaves

Answer

Radio waves

Question 7

Calculate the speed of a wave with a frequency of 3Hz and a wavelength of 100x10-9m.

Accepted Answer

300x10-9m/s

Answer

300x10-8m/s

Answer

33x10-9m/s

Answer

300x109m/s

Question 8

Calculate the frequency of a wave with a speed of 3x106m/s and a wavelength of 1x104m.

Accepted Answer

300Hz

Answer

3000Hz

Answer

30Hz

Answer

3x1010Hz

Question 9

Calculate the wavelength of an electromagnetic wave that has a frequency of 10KHz.

Accepted Answer

30km

Answer

300m

Answer

300km

Answer

30m

Question 10

The period of a wave T = 1⁄f, if the time period for a wave of wavelength 500mm is 0.5 seconds, what speed is the wave travelling at?

Accepted Answer

1m/s

Answer

1x1010m/s

Answer

0.5m/s

Answer

0.25m/s

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