Dual Nature Of Light Question 333

Question: The minimum wavelength of photon is 5000 Å, its energy will be [RPMT 2004]

Options:

A) 2.5 eV

B) 50 V

C) 5.48 eV

D) 7.48 eV

Show Answer

Answer:

Correct Answer: A

Solution:

$ E=\frac{12375}{\lambda }=\frac{12375}{5000}=2.47,eV,\approx ,2.5,eV $