A black body at high temperature emits t...

A black body at high temperature emits thermal radiations of

large wavelength

small wavelength

one fixed wavelength

all wavelengths

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NIKITA PUBLICATION-KINETIC THEORY OF GASES & RADIATION -MCQs (Perfectly black body, emmissive power and emmissivity)

A perfectly white body
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S.I unit of emissive power is
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The silver polishing the walls of a thermos bottle minimizes the trans...
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A black body at high temperature emits thermal radiations of
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Which of the following is the example of ideal black body?
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An ideal Black-body at room temperature is thrown into a furnace. It i...
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Which of the following statement is correct?
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Which of the following law states that "good absorbers of heat are goo...
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Emissive power of a perfectly black body
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Three cubes of sides 1,2,3 cm are at constant temperature of 100^(@)C....
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A sphere of radius 50 cm is maintained at a constant temperature, radi...
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A metal cube with each side 3 cm long emits 0.27 kcal in 100s. Then it...
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The filament of an evacuated light bulb has a length 10 cm, diameter 0...
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