NEET Questions Solved


The momentum of a photon is 3.3×10-29  kg-m/sec. Its frequency will be

(a) 3×103 Hz                 (b) 6×103 Hz
(c) 7.5×1012  Hz            (d) 1.5×1013  Hz

(d) p=hvcv=pch=3.3×10-29×3×1086.6×10-34=1.5×1013 Hz

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