THE EM SPECTRUM

Question 1

Give an example of the use of each type of EM radiation.

Answer 1

Radio
Microwave
Infared
Visable
Ultraviolet
Xray
Gammaray (

Question 2

Describe the dangers of gamma rays, X-rays and the damaging effect of
ultraviolet radiation on skin:

Question 3

Ultraviolet light

Answer 3

can damage DNA, cause skin cancer and affect the collagen fibers in our skin resulting in increased skin aging.

Question 4

X rays

Answer 4

prolonged exposure to x-rays can lead to cell damage and cancer.

Question 5

Gamma rays

Answer 5

have high energy levels which can cause serious damage when absorbed by living cells. Gamma rays are not blocked by the skin, and can result in damage to DNA

Question 6

Discuss radiation from cell- phones.

Answer 6

Cell phones emit low levels of non-ionizing radiation when in use. The type of radiation emitted by cell phones is also referred to as radio frequency (RF) energy.