Dual Nature Of Light Question 154
Question: de-Broglie wavelength of a body of mass 1 kg moving with velocity of 2000 m/s is [Pb. PMT 2003]
Options:
A) 3.32 ´ 10?27 Å
B) 1.5 ´ 107 Å
C) 0.55 ´ 10?22 Å
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
$ \lambda =\frac{h}{mv}=\frac{6.6\times {{10}^{-34}}}{1\times 2000}=3.3\times {{10}^{-37}}m $ $ =3.3\times {{10}^{-27}}{\AA} $
BETA
