A body,which emits radiations of all possible | vedclass

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(D) The correct answer is $(d)$.$A$ perfectly black body is defined as an ideal body that absorbs all incident radiation of any wavelength falling on

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Perfectly black body

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(D) The correct answer is $(d)$.$A$ perfectly black body is defined as an ideal body that absorbs all incident radiation of any wavelength falling on it.According to Kirchhoff's law of radiation,a good absorber is also a good emitter.Therefore,a perfectly black body is also the best emitter of radiation,meaning it emits radiation of all possible wavelengths at a given temperature.

$A$ body,which emits radiations of all possible wavelengths,is known as ...........

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