P11 - Wave properties

Question 1

What is a longitudinal wave?

Answer 1

Oscillations are parallel to direction of energy transfer

Question 2

Give 3 examples of longitudinal waves?

Answer 2

Sounds waves
Tsunami waves
Seismic P waves

Question 3

What is a transverse wave?

Answer 3

Oscillations are perpendicular to the direction of energy transfer

Question 4

Give examples of transverse?

Answer 4

Electromagnetic waves
Gamma waves
Seismic S waves

Question 5

Define frequency?

Answer 5

Amount of waves that pass a certain point each second

Question 6

Define time period?

Answer 6

Time taken for 1 complete wave cycle

Question 7

Give properties of a mechanical wave?

Answer 7

Vibrations travel though a medium
Waves on a slinky
Water waves
Seismic waves
Sound waves

Question 8

Give properties of electromagnetic waves?

Answer 8

Vibrations travel through a vacuum
X rays
Radio waves
Microwaves
Gamma waves

Question 9

What is the equation that links velocity, frequency and wavelength?

Answer 9

V = f X wavelength

Question 10

What is the equation that links frequency and time period?

Answer 10

F = 1
T

Question 11

Give 4 features of reflection in waves?

Answer 11

No change in frequency
No change in wavelength
No change in speed
Change of wave travel direction

Question 12

Give 4 features of refraction in waves?

Answer 12

No change in frequency
Decrease in speed as wavefronts close up
Decrease in wavelength
Direction of wave travel changes unless at 90