Advertisements
Advertisements
प्रश्न
How can the presence of infrared Radiations be detected?
How are infrared rays detected?
उत्तर
In the presence of infrared radiations, the temperature recorded by a blackened bulb thermometer rapidly increases.
APPEARS IN
संबंधित प्रश्न
Give one use of infrared radiations.
Mention three properties of infrared radiations similar to the visible light.
Give reason for the following:
Infrared radiations are used for photography in fog.
Give reason for the following:
Infrared radiations are used as signals during war.
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.
Name the radiations which are absorbed by the green house gases in the earth's atmosphere.
Name the radiations that are used for photography at night.
Infrared radiations are used in warfare. Explain with reason, why?
State one harmful effect of the infrared radiation.
