Advertisements
Advertisements
प्रश्न
Assertion (A): Infrared radiations travel long distance through a dense fog and mist.
Reason (R): Infrared radiations undergo minimal scattering in earth's atmosphere.
विकल्प
Both A and R are true and R is the correct explanation of A.
Both A and R are True and R is not the correct explanation of A.
Assertion is false but reason is true.
Assertion is true but reason is false.
उत्तर
Both A and R are true and R is the correct explanation of A.
APPEARS IN
संबंधित प्रश्न
Give one use of infrared radiations.
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 for photography in fog.
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 radiations which are absorbed by the green house gases in the earth's atmosphere.
How can the presence of infrared Radiations be detected?
Infrared radiations are used in warfare. Explain with reason, why?
