Day 29 (physics)

Question 1

What speed do all electromagnetic waves travel at?

Answer 1

The speed of light

Question 2

Which type of wave oscillates parallel to the direction of energy transfer?

Answer 2

Longitudinal

Question 3

Which type of wave oscillates perpendicular to the direction of energy transfer?

Answer 3

Transverse

Question 4

What do we call the distance from a point on one wave to the equivalent point on the adjacent wave?

Answer 4

Wavelength

Question 5

What are the units for frequency?

Answer 5

Hz (Hertz)

Question 6

What do we call the maximum displacement of a point on a wave away from its undisturbed position?

Answer 6

Amplitude

Question 7

List the waves of the electromagnetic spectrum in order of increasing frequency

Answer 7

radio, microwave, infrared, visible, ultra violet, x-ray, gamma

Question 8

What is the relationship between wave speed, frequency and wavelength?

Answer 8

(Wave) speed = frequency x wavelength