2020 Sec 3E Physics Electromagnetic Spectrum Quiz

All electromagnetic waves have the same

• speed in vacuum.

• speed in a given medium.

• frequency in vacuum.

• frequency in a given medium.

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NGSS.HS-PS4-1

Which of the following uses gamma rays?

1.sterilisation

2.killing cancerous cells

3.detecting flaws in metals

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1,2 and 3

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NGSS.HS-PS1-8

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Which of the following uses X-rays?

1.detecting flaws in metals

2.inspecting of luggage

3.checking welds

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1,2 and 3

Which of the following waves will best penetrate fog or low cloud?

• infra-red

• radio waves

• red light

• ultra-violet

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NGSS.MS-PS4-2

Which of the following uses visible light?

1.seeing things with the naked eye

2.transfer of thermal energy from a high temperature region to a low temperature region

3.transmitting signals through optical fibres

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

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NGSS.MS-PS4-2

Which of the following uses infra-red radiation?

1.transfer of thermal energy from a high temperature region to a low temperature region

2.remote control

3.killing cancerous cells

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1,2 and 3

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NGSS.MS-PS4-2

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When sections of large metal pipe have been welded together, they are checked to discover whether there are any cracks in the joints.

Which part of the electromagnetic spectrum is used for this purpose?

• infra -red

• radio waves

• ultra-violet

• X-rays

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NGSS.MS-PS4-2

The diagram shows the main components of the electromagnetic spectrum in order of increasing frequency. Some of the components are labelled.

The component Q has frequencies below those of light.

What are the electromagnetic waves in component Q used for?

• killing cancerous cells

• satellite television

• sterilisation

• television remote control

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NGSS.MS-PS4-2

The Sun heats the Earth by electromagnetic radiation. Which part of the electromagnetic spectrum is responsible for most of this heating?

• infra-red rays

• radio waves

• ultra-violet rays

• X-rays

The diagram shows the electromagnetic spectrum with the blue end and the red end of visible light marked.

Which section of the spectrum has waves which have a long wavelength and can be produced by electrical oscillations in a circuit?

• A

• B

• C

• D

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