EM Spectrum

Question 1

What are some advantages of Infra Red?

Answer 1

Heating food, treating muscle injuries and can find things if they give off heat

Question 2

What is used to detect radio waves?

Answer 2

An aerial/antenna

Question 3

What do you use to detect X-Rays?

Answer 3

Photographic film

Question 4

What are Gamma Rays used for?

Answer 4

Gamma rays can cure tumours and are used as tracers

Question 5

What is used to detect Gamma rays?

Answer 5

A Geiger Muller tube (GM tube)

Question 6

What are the advantages of Ultraviolet?

Answer 6

Tanning, curing vitamin d deficiency and identifying security markings on banknotes

Question 7

A disadvantage of Ultraviolet

Answer 7

It can give you skin cancer

Question 8

What is another word for Infra Red?

Answer 8

Heat/Heat radiation

Question 9

What are radio waves used for?

Answer 9

Radios and televisions

Question 10

2 Examples of longitudinal waves

Answer 10

Sound and Ultrasound waves

Question 11

3 examples of transverse waves?

Answer 11

Gamma Rays, Ultraviolet, Infra Red, Microwaves, Radio waves, X-Rays, Visible Light

Question 12

All radiations in the EM spectrum from longest to shortest wavelength

Answer 12

Radio, Microwave, Infrared, Visible, Ultraviolet, X-Ray, Gamma

(RMIVUXG)

Question 13

What speed to all EM radiations travel at?

Answer 13

300,000,000 (3*10^8) ms-1

The speed of light

Question 14

What are Microwaves used for?

Answer 14

Cooking food and Communications

Question 15

Advantages of X-Rays

Answer 15

Detecting broken bones, scanning luggage at an airport and checking for flaws in metal

Question 16

Disadvantages of X-Rays?

Answer 16

They can damage living cells