Ultraviolet waves , X-rays and gamma rays Flashcards Preview

GCSE Physics: Topic 13 > Ultraviolet waves , X-rays and gamma rays > Flashcards

Flashcards in Ultraviolet waves , X-rays and gamma rays Deck (10):
1

What does ultraviolet waves lie between?

Visible light and X-rays in electromagnetic spectrum

2

What does ultraviolet used for?

Security marking and sunbeds

3

How can ultraviolet cause damage?

Sunburn and skin cancer

harmful to the eyes

4

How are X-rays and gamma different?

Similar frequencies

Produced in different ways

5

How are X-rays used for?

Used to make images of bones to check for fractures

detect cracks in metal objects

6

What are gamma rays used for?

Killing harmful bacteria in food

prevents food poisoning and sterling surgical instruments 

7

Damage about gamma rays

Cause cancer

but can kill cancer cells

8

Process of ionisiation

 

Gamma rays and X-rays pass through substances - knock electrons pit of atom in substance

leaving atoms with positive charge

9

Damage of ionisation

Kill or damage cells

10

Why do people who work with ionisation wear a firm badge?

Radiation exposes the flim in badge

worker's exposure is monitored