The momentum of a photon is $2 \times {10^{ - 16}}gm-cm/sec$. Its energy is
The momentum of a photon is $2 \times {10^{ - 16}}gm-cm/sec$. Its energy is
- A
$0.61 \times {10^{ - 26}}erg$
- B
$2.0 \times {10^{ - 26}}erg$
- C
$6 \times {10^{ - 6}}erg$
- D
$6 \times {10^{ - 8}}erg$
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