b) In the Compton scattering event experiment, the scattered photon has an energy of 120 keV and the recoiling electron has an energy of 40 keV. Find (1) the wavelength of the incident photon, (ii) the wavelength of scattered photon. (iii) angle 8 at which the photon is scattered.

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Blackbody

Q.5 A blackbody radiates how much energy when the temperature of the body is elevated?