Advertisements
Advertisements
Question
Give reason for the following:
The photographic darkrooms are provided with infrared lamps.
Solution
Infrared lamps are used in dark rooms for developing photographs since they do not affect the photographic film chemically, but they provide some visibility.
APPEARS IN
RELATED QUESTIONS
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:
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.
How can the presence of infrared Radiations be detected?
Infrared radiations are used in warfare. Explain with reason, why?
State one harmful effect of the infrared radiation.
