Dual Nature Of Light Question 221
Question: The momentum of a photon in an X-ray beam of $ {{10}^{-10}} $ metre wavelength is [MP PET 1996]
Options:
A) $ 1.5\times {{10}^{-23}}kg- $ m/sec
B) $ 6.6\times {{10}^{-24}}kg-m/\sec $ m/sec
C) $ 6.6\times {{10}^{-44}}kg-m/\sec $ m/sec
D) $ 2.2\times {{10}^{-52}}kg-m/\sec $ m/sec
Show Answer
Answer:
Correct Answer: B
Solution:
Momentum of photon $ p=\frac{h}{\lambda }=\frac{6.6\times {{10}^{-34}}}{{{10}^{-10}}} $ = 6.6 ´ 10?24 kg - m/sec.
BETA
