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Question: What is the momentum of a photon having frequency \(1.5 \times 10^{13}Hz\)....

What is the momentum of a photon having frequency 1.5×1013Hz1.5 \times 10^{13}Hz.

A

3.3×10−29kg 6mum/s3.3 \times 10^{- 29}kg\mspace{6mu} m/s

B

3.3×10−34kg 6mum/s3.3 \times 10^{- 34}kg\mspace{6mu} m/s

C

6.6×10−34kg 6mum/s6.6 \times 10^{- 34}kg\mspace{6mu} m/s

D

6.6×10−30kg 6mum/s6.6 \times 10^{- 30}kg\mspace{6mu} m/s

Answer

3.3×10−29kg 6mum/s3.3 \times 10^{- 29}kg\mspace{6mu} m/s

Explanation

Solution

p=hνc=6.6×10−34×1.5×10133×108=3.3×10−29kg⥂−⥂m/sec⁡p = \frac{h\nu}{c} = \frac{6.6 \times 10^{- 34} \times 1.5 \times 10^{13}}{3 \times 10^{8}} = 3.3 \times 10^{- 29}kg ⥂ - ⥂ m/\sec