uses & risks of electromagnetic waves.

Question 1

what is it used for and what are the effects of it on living tissue: radio.

Answer 1

communications. none.

Question 2

what is it used for and what are the effects of it on living tissue: microwave.

Answer 2

communication, cooking.
heat and kill body cells.

Question 3

what is it used for and what are the effects of it on living tissue: infrared.

Answer 3

communications, heating, inferred camera, remote camera. skin burns.

Question 4

what is it used for and what are the effects of it on living tissue: visible.

Answer 4

communications, laser surgery, lighting.
activates sensitive cells in the retina- can damage if light is too strong.

Question 5

what is it used for and what are the effects of it on living tissue: uv.

Answer 5

sunbathing, security marking, sterilise water. skin cancer.

Question 6

what is it used for and what are the effects of it on living tissue: x-ray.

Answer 6

x-ray imaging (medical and airport), Ct scans. mutate or kill cells, causes cancer.

Question 7

what is it used for and what are the effects of it on living tissue: gamma.

Answer 7

treatment of cancer, medical tracers, sterilising food and surgical equipment.
mutate or kill cells, causes cancer.

Question 8

what can part of the em spectrum with high energy waves do to the DNA in the nuclei of our cells, what can this result in and what parts specifically cause this?

Answer 8

uv, x-ray, gamma.
damage.
cell death or cancer.

Question 9

what is the wave like to the earth for radio waves?

Answer 9

longwave.
waves bend and follow the curvature of the earth to give a longer range.