wave_mechanics basics_of_mechanical_waves Question 54
Question: If wavelength of a wave is $ \lambda =6000{AA}. $ Then wave number will be
[MH CET 2002]
Options:
A) $ 166\times 10^{3} $ m?1
B) $ 16.6\times {{10}^{-1}} $ m?1
C) $ 1.66\times 10^{6} $ m?1
D) $ 1.66\times 10^{7} $ m?1
Show Answer
Answer:
Correct Answer: C
Solution:
$ \bar{n}=\frac{1}{\lambda }=\frac{1}{6000\times {{10}^{-10}}} $
$ =1.66\times 10^{6}{{m}^{-1}} $
BETA
