Wavelength of radiation emitted by a body depends on the __________ of its surface. (A) Temperature (B) Area (C) Nature (D) All 'a', 'b' & 'c'

Wavelength of radiation emitted by a body depends on the __________
of its surface.
(A) Temperature
(B) Area
(C) Nature
(D) All 'a', 'b' & 'c'
by

1 Answer

Answer :

Option
by

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The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoff’s law. (A) Wavelength of radiation (B) Nature of the body (C) Temperature of the body (D) None of these

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The rate of emission of radiation by a body does not depend upon the (A) Wavelength of radiation (B) Surface temperature of the body (C) Nature of the surface (D) Shape and porosity of the body

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The rate of emission of radiation by a body does not depend upon the (A) Wavelength of radiation (B) Surface temperature of the body (C) Nature of the surface (D) Shape and porosity of the body

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The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. (A) Increases (B) Decreases (C) Remain constant (D) May increase or decrease; depends on the material

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Which radiation emitted from the sun has highest wavelength

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Rate of cooling depends on the (1) Temperature difference between the body and the surroundings (2) Nature of the radiating surface (3) Area of the radiating surface (4) All of these

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The electron emitted in beta radiation originates from where?

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