Dual Nature Of Light Question 223
Question: Energy of a quanta of frequency $ 10^{15} $ Hz and $ h=6.6\times {{10}^{-34}}J\text{-}\sec $ will be [RPMT 1997]
Options:
A) $ 6.6\times {{10}^{-19}}J $
B) $ 6.6\times {{10}^{-12}}J $
C) $ 6.6\times {{10}^{-49}}J $
D) $ 6.6\times {{10}^{-41}}J $
Show Answer
Answer:
Correct Answer: A
Solution:
$ E=h\nu =6.6\times {{10}^{-34}}\times 10^{15}=6.6\times {{10}^{-19}}J $