Waves

Question 1

What types of waves are electromagnetic?

Answer 1

Transverse

Question 2

What do electromagnetic waves transfer?

Answer 2

Energy

Question 3

List the order of the electromagnetic spectrum in order to increasing wavelength

Answer 3

Gamma
X-rays
Uv
Visible light
Infrared
Microwave
Radio waves

Question 4

What wave has the highest frequency and energy?

Answer 4

Gamma

Question 5

What can happen when radiation strikes an object?

Answer 5

It can be transmitted, reflected, absorbed

Question 6

What do all objects emit and absorb?

Answer 6

Infrared radiation

Question 7

What does intensity and wavelength distribution depend on?

Answer 7

Temperature

Question 8

What health effects can UV waves cause?

Answer 8

-cause skin to age prematurely
-increase risk of cancer

Question 9

What health effects can X-rays and Gamma rays cause?

Answer 9

-ionising radiation so can cause mutations in genes
-lead to increased risk of developing various cancers

Question 10

How do atoms become ions?

Answer 10

By losing an outer electron