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प्रश्न
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
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उत्तर
These are detected by a thermopile.
संबंधित प्रश्न
Define the term dispersion of white light.
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
Name the process which is involved in the formation of a rainbow.
The property of splitting of white light into its seven constituent colours is known as
Define the term dispersion of light.
Answer the following:
What do you mean by dispersion? Name the different colours of light in the proper sequence in the spectrum of light.
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
Which one of the following is involved for the formation of rainbow in the sky?
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
