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NEET 2024
Exam
NEET
Year
2024
Subject
Physics
Chapter
Dual Nature of Matter

NEET 2024 · Physics · Dual Nature of Matter

If c is the velocity of light in free space, the correct statements...

If cc is the velocity of light in free space, the correct statements about photon among the following are: A. The energy of a photon is E=hvE=h v. B. The velocity of a photon is cc. C. The momentum of a photon, p=hνcp=\frac{h \nu}{c}. D. In a photon-electron collision, both total energy and total momentum are conserved. E. Photon possesses positive charge. Choose the correct answer from the options given below:

Options

  1. AA, B, C and D only
  2. BA, C and D only
  3. CA, B, D and E only
  4. DA and B only

Correct answer

A. A, B, C and D only

Step-by-step solution

(A)IfcIf c is the velocity of light so, E=hνE=h \nu (Energy of photon) (B) Velocity of photon is equal to velocity of light i.e. cc. (C) λ=hp\lambda=\frac{h}{p}p=hλp=hνc\begin{aligned} & p=\frac{h}{\lambda} \\ & p=\frac{h \nu}{c} \end{aligned}$$ (D) In photon-electron collision both total energy and total momentum are conserved.
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