Question

The energy of photon of wavelength λ is _______. 

(h = Planck’s constant, c = speed of light in vacuum)

(A) hcλ

(B) \(\frac{hλ}{c}\)

(C) \(\frac{λ}{hc}\)

(D) \(\frac{hc}{λ}\)

Answer 1

Answer is:

(D) \(\frac{hc}{λ}\)