Advertisements
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
What are infrared radiations?
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:
A rock salt prism is used instead of a glass prism to obtain the infrared spectrum.
A radiation P is focused by a proper device on the bulb of a thermometer. Mercury in the thermometer shows a rapid increase. The radiation P is ______.
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.
How can the presence of infrared Radiations be detected?
Name the radiations that are used for photography at night.
State one harmful effect of the infrared radiation.
