Topic 5 - Light & The EM Spectrum - EM Spectrum

Question 1

What types of waves are electromagnetic waves

Answer 1

Transverse

Question 2

What do electromagnetic waves transfer

Answer 2

Energy ( not matter )

Question 3

What type of spectrum do electromagnetic waves form

Answer 3

A continuous spectrum

Question 4

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

Answer 4

Gamma, X-ray , UV , visible light , infrared, microwaves , radio waves

Question 5

What is the highest frequency electromagnetic wave

Answer 5

Gamma waves

Question 6

What is the highest energy electromagnetic wave

Answer 6

Gamma

Question 7

What properties are shared by all electromagnetic waves

Answer 7

They are all transverse waves

They all travel at the same speed

They can travel though a vacuum

Question 8

What range of frequencies of electromagnetic waves can be detected by the human eye

Answer 8

400-700 nanometres

Question 9

How do the speeds of em radiation differ in a vacuum and in air

Answer 9

Electromagnetic waves all travel at the same speed in a vacuum and in air

Question 10

What can happen when radiation strikes an object

Answer 10

It can be

1) transmitted
2) reflected
3) absorbed