Dangers Of Electromagnetic Waves

Question 1

What are the effects of each type of radiation based on?

Answer 1

How much energy the waves transfer

Question 2

What is the effect of low frequency waves and an example?

Answer 2

Radio waves

Don’t transfer much energy and pass mostly through soft tissues without being absorbed

Question 3

What is the effect of high frequency waves and examples?

Answer 3

UV, X-Ray, Gamma Ray

Transfer lots of energy so can cause lots of damage

Question 4

What does UV radiation do to tissue?

Answer 4

Damages surface cells, which leads to sunburn and can cause skin to age prematurely, it can also cause blindness and an increased risk of skin cancer

Question 5

What types of radiation are X-Rays and Gamma Rays and what can they cause?

Answer 5

Ionising radiation

Can cause gene mutation or cell destruction and cancer

Question 6

What is radiation dose and what is it measured in?

Answer 6

A measure of the risk of harm from the body being exposed to radiation
Measured in sieverts

Question 7

What is radiation dose not a measure of?

Answer 7

The total amount of energy that has been absorbed

Question 8

What does risk depend on?

Answer 8

• The total amount of radiation absorbed

* How harmful the type of radiation is

Question 9

1Sv = ????mSv

Answer 9

1Sv = 1000mSv

Question 10

What does a CT scan use?

Answer 10

X-Rays and a computer to build up a picture of the inside of the body

Question 11

What is the chance of risk of a CT scan to the chest or head?

Answer 11

A person with a CT scan to the chest is 4x more likely to suffer damage to their genes