Dual Nature Of Radiation And Matter Ques 78

78. The energy of a photon of wavelength $\lambda$ is

[1988]

(a) $h c \lambda$

(b) $\frac{h c}{\lambda}$

(c) $\frac{\lambda}{h c}$

(d) $\frac{\lambda h}{c}$

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Answer:

Correct Answer: 78.(b)

Solution:

  1. (b) Energy of a photon $E=h v=\frac{h c}{\lambda}$