Dual Nature Of Light Question 379
Question: The energy in monochromatic X-rays of wavelength 1 A is roughly equal to
Options:
A) $ 2\times {{10}^{-15}}J $
B) $ 2\times {{10}^{-16}}J $
C) $ 2\times {{10}^{-17}}J $
D) $ 2\times {{10}^{-18}}J $
Show Answer
Answer:
Correct Answer: A
Solution:
[a] $ E=hc/\lambda =6.6\times {{10}^{-34}}\times 3\times 10^{8}/1\times {{10}^{-10}} $ $ 2\times {{10}^{-15}}J $
BETA
