When uncertainty in position and momentum are equal, then the uncertainty in velocity is

  • A
    $ \sqrt{\frac{h}{\pi}} $
  • B
    $ \frac{1}{2} \sqrt{\frac{h}{\pi}} $
  • C
    $ \frac{1}{2m} \sqrt{\frac{h}{\pi}} $
  • D
    $ 2m \sqrt{\frac{h}{\pi}} $

Explore More

Similar Questions

Which of the following statements is incorrect?

Difficult
View Solution

$A$ golf ball of mass $m$ has a speed of $50 \ m \ s^{-1}$. If the speed can be measured within an accuracy of $2 \%$,the uncertainty in the position is

What is quantum mechanics? Give its primary information.

The uncertainty in the position of an electron moving with a velocity of $3 \times 10^4 \ cm/s$ is (given mass of electron $= 9.1 \times 10^{-28} \ g$,uncertainty in velocity $= 0.02 \ \%$).

The uncertainty in the position of a moving bullet of mass $10 \ g$ is $10^{-5} \ m$. Calculate the uncertainty in its velocity.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo