Dual Nature Of Radiation And Matter Ques 71
71. Which of the following figures represents the variation of particle momentum and the associated de-Broglie wavelength?
[2015]
(a)

(b)

(c)
(d)

Show Answer
Answer:
Correct Answer: 71.(a)
Solution:
- (a) According to De-broglie $p=\frac{h}{\lambda}$ or $P \propto \frac{1}{\lambda}$ where
$P=$ particle momentum;
$\lambda=$ de-Broglie wavelength
$h=$ Plank’s constant
$P \propto \frac{1}{\lambda}$ represents rectangular hyperbola.