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PHYSICS
Infrared
Question 56

Question 56 of 70 in The Electromagnetic Spectrum

Infrared

1 mark · Easy

Which is a correct use of infrared radiation?

AHeating food in a grillBDetecting gamma raysCTransmitting X-rays for dental picturesDEmitting blue light from an LED

› Show answer

Correct option: Heating food in a grill

Common mistakes: Selecting options involving gamma rays, X-rays, or visible light

› Show mark scheme and worked solution

Marking points

B1 · 1 mark · Correctly selects heating food in a grill as a use of infrared radiation.

Worked solution

Grills heat food using infrared radiation.

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