Quiz 2- Physics

What EM wave make cellular telephones transmit and receive signals?

• radio waves

• microwaves

• visible light

• gamma rays

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

• it enables us to see things

• gives light to the screen of our devices

• for thermal imaging

• used in optical fibers

Which kind of wave is use in night vision goggles?

• microwave

• infrared

• gamma ray

• visible light

Which of the following is a use of ultraviolet radiation?

• diagnosing bone fracture

• identifying original from fake banknotes

• night vision goggle

• optical fiber

What type of electromagnetic waves is used in RADAR?

• infrared rays

• microwaves

• radio waves

• ultraviolet rays

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

• gamma ray and infrared

• radio wave and visible light

• gamma ray and ultraviolet

• X-ray and ultraviolet

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

• gamma rays

• infrared

• radio waves

• visible light

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

• gamma ray, ultraviolet ray, X-ray

• light, ultraviolet, X-ray

• infrared, microwaves, ultraviolet

• gamma ray, microwaves, infrared

In visible light, which color has the longest wavelength?

• red

• violet

• yellow

• green

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

• increases

• decreases

• cannot be determined

• energy level does not change