Electromagnetic waves

Question 1

Radio waves wavelength

Answer 1

> 10^6 to 10^-1 m

Question 2

Microwaves wavelength

Answer 2

10^-1 to 10^-3 m

Question 3

Infrared wavelength

Answer 3

10^-3 to 7 x10^-7

Question 4

Visible light wavelength

Answer 4

7x10^-7 to 4x10^-7

Question 5

Ultraviolet wavelength

Answer 5

4x10^-7 to 10^-8

Question 6

X-rays wavelength

Answer 6

10^-8 to 10^-13

Question 7

Gamma rays wavelength

Answer 7

10^-10 to < 10^-16

Question 8

Gamma and X-rays overlap

Answer 8

10^-10 to 10^-13
Waves are classified by their source - X-rays are emitted by fast moving electrons, whereas gamma rays come from the unstable atomic nuclei