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प्रश्न
Give one use of infrared radiations.
State one use of infrared radiations.
उत्तर
Infrared radiation is used for remote control of televisions and other gadgets.
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संबंधित प्रश्न
What are infrared radiations?
Mention three properties of infrared radiations similar to the visible light.
Give two such properties of infrared radiations which are not true for visible light.
Give reason for the following:
Infrared radiations are used as signals during war.
Give reason for the following:
The photographic darkrooms are provided with infrared lamps.
Give reason for the following:
A rock salt prism is used instead of a glass prism to obtain the infrared spectrum.
Name the material prism required for obtaining the spectrum of infrared radiation.
How can the presence of infrared Radiations be detected?
Name the radiations that are used for photography at night.
Assertion (A): Infrared radiations travel long distance through a dense fog and mist.
Reason (R): Infrared radiations undergo minimal scattering in earth's atmosphere.
