Waves

Question 1

Electromagnetic, X-ray and Water waves are examples of what type of wave?

Answer 1

Transverse

Question 2

In a transverse wave the direction of particle movement and the direction of travel are what?

Answer 2

Perpendicular

Question 3

In a longitudinal wave the Direction of particle movement and the direction of travel are what?

Answer 3

The same

Question 4

Mechanical waves require what?

Answer 4

Particle movement

Question 5

Electromagnetic waves require what?

Answer 5

Disturbances in the electromagnetic field

Question 6

What feature do electro-magnetic waves have?

Answer 6

Can travel in a vacuum, due to them not needing particles to travel.

Question 7

What do all waves carry?

Answer 7

Energy and Information

Question 8

Give the unit for amplitude?

Answer 8

A

Question 9

What are the units for wavelength?

Answer 9

Lambda

Question 10

What is they symbol and units for time period?

Answer 10

T, seconds (s)

Question 11

What is they symbol and units for frequency?

Answer 11

F, hertz (Hz)

Question 12

What is the symbol and units for wave velocity?

Answer 12

V, (m/s)

Question 13

Frequency =?

Answer 13

1/T

Question 14

Wave velocity =?

Answer 14

Frequency * Wavelength

Question 15

What is a CRO?

Answer 15

Cathode Ray Oscilliscope

Question 16

In a CRO grid the square height is know as?

Answer 16

Y gain- show how many volts per square

Question 17

In a CRO grid the square width is know as?

Answer 17

Timebase - show how many seconds each square is worth

Question 18

What is the speed of sound in air?

Answer 18

330m/s

Question 19

The bigger the amplitude of a wave?

Answer 19

The louder the sound

Question 20

The longer the wave?

Answer 20

The lower the pitch

Question 21

The smaller the wave?

Answer 21

The quieter the sound

Question 22

The Shorter the wave?

Answer 22

The higher the pitch