All of the following are uses of visible light. Which one is not?

Which kind of wave is use in night vision goggles?

Which of the following is a use of ultraviolet radiation?

What type of electromagnetic waves is used in RADAR?

Among the following forms of the EM spectrum, which waves do not have enough energies to damage the body cells?

What kind of wave is very dangerous, but have been used to kill cancer cells?

Which of the following sets of EM radiation can harm your body cells?

In visible light, which color has the longest wavelength?

How does the energy level changes from gamma ray to radio wave?

Which of the EM waves below is used to remove most forms of microbiological contamination from water?

The reason why Microwave is used for satellite communications

Why is radio waves used to transmit sound and picture information over long distances.

The differences in color determine

the differences in temperature. Blue and green indicate

regions of warmer temperature.Red and yellow indicate colder temperature.

The sun is our main source of ultraviolet radiation.

Short wavelength X-rays can penetrate the flesh but not the bones.

Too much exposure to X-rays can damage body tissues and can cause cancer.

Gamma rays are used to treat cancer through the process called .

Each type of EM wave poses a certain degree of risk and danger to people and environment.

Ultraviolet radiation in sunlight produces vitamin E in the skin and gives us tanning effect.