Uses of EM Waves

Infrared rays are important for

• warming the Earth.

• providing visible light for plants.

• taking X-rays.

• treating cancer.

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________________ are waves used to test the speed of your car with RADAR.

• Ultraviolet

• Infrared

• Radio

• Microwaves

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Cancer can be treated with_______________waves.

• Penicillin

• Radio

• Infrared

• Gamma

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Medium and high frequency waves of ___________ are used for broadcasting by local radio stations.

• radio waves

• gamma rays

• infrared rays

• X-rays

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Thermal scanners are used to show temperature variation of the body. This detects ________ radiation emitted by all objects.

• infrared

• x rays

• ultraviolet

• visible

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What type of EM wave is used in checking the authenticity of bank notes?

• microwave

• infrared

• ultraviolet

• X-ray

_____________ radiation play an important role in satellite communication.

• ultraviolet

• visible light

• infrared

• microwave

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Night vision goggles used in military uses thermal imaging technology to capture __________ radiation. This allows them to see in the dark.

• radio wave

• microwave

• infrared

• light

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Used in medical technology specifically in generating images of lungs and bone fractures.

• infrared

• visible light

• ultraviolet

• x-ray

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Electromagnetic waves that help your body produce vitamin D are called?

• ultraviolet rays

• x-rays

• gamma rays

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