If uncertainty in position and momentum are both equal, what will the uncertainty in velocity be?
1. \(\dfrac{1}{2 m} \sqrt{\dfrac{h}{\pi}}\) 2. \(\sqrt{\dfrac{h}{2 \pi}}\)
3. \(\dfrac{1}{m} \sqrt{\dfrac{h}{\pi}}\) 4. \(\dfrac{h}{\pi}\)
Subtopic:  Heisenberg Uncertainty Principle |
 78%
Level 2: 60%+
NEET - 2008
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If the position of the electron were measured with an accuracy of +0.002 nm, the uncertainty in the momentum of the electron would be: 

1. 5.637 × 10–23 kg m s–1

2. 4.637 × 10–23 kg m s–1

3. 2.637 × 10–23 kg m s–1

4. 3.637 × 10–23 kg m s–1

Subtopic:  Heisenberg Uncertainty Principle |
 76%
Level 2: 60%+
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