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Question: The momentum of a single photon of red light of frequency 400 × 10<sup>12</sup> Hz moving through fr...

The momentum of a single photon of red light of frequency 400 × 1012 Hz moving through free space is –

A

Zero

B

8.8 × 10–28kgms–2

C

1.65 × 10–7 MeV/c

D

Data Insufficient

Answer

8.8 × 10–28kgms–2

Explanation

Solution

P=Ec=hνcP = \frac{E}{c} = \frac{h\nu}{c}