Define intensity of radiation on the basis of photon picture of light. Write its S.I. unit.
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Q: i m
A: Mass of electron, m = 9.109 × 10-28 g = 9.109 × 10-28 × 10-3 kgSpeed (v) = 6.50 × 103 m/s
Define intensity of radiation on the basis of photon picture of light. Write its S.I. unit.
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