Dual Nature Of Light Question 211
Question: The momentum of a photon is $ 3.3\times {{10}^{-29}}kg- $ m/sec. Its frequency will be [CPMT 1980; MP PET 1992; DPMT 1999]
Options:
A) $ 3\times 10^{3}Hz $
B) $ 6\times 10^{3}Hz $
C) $ 7.5\times 10^{12}Hz $
D) $ 1.5\times 10^{13}Hz $
Show Answer
Answer:
Correct Answer: D
Solution:
$ p=\frac{h\nu }{c},\Rightarrow ,\nu =\frac{pc}{h} $ $ =\frac{3.3\times {{10}^{-29}}\times 3\times 10^{8}}{6.6\times {{10}^{-34}}} $ $ =1.5\times 10^{13}Hz $
BETA
