Question

If the energy of a photon is increased by factor of 4, then the momentum –

• A. Does not change
• B. Decreases by a factor of 4
• C. Increases by a factor of 4
• D. Decreases by a factor of 2

Answer 1

Answer: (C)

Increases by a factor of 4

Answer 2

E = pc

E ∝ p`