If uncertainty in position and momentum are equal, then uncertainty in velocity is:

1.  12mhπ

2.  h2π

3.  1mhπ

4.  hπ

Subtopic:  Heisenberg Uncertainty Principle |
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The measurement of the electron position is associated with uncertainty in momentum, which is equal to 1 x 10-18 g cm s-1. The uncertainty in electron velocity will be (mass of an electron is 9 x 10-28 g)-

1. 2 x 109 cm s-1
2. 1 x 109 cm s-1
3. 1 x 105 cms-1
4. 1 x 1011 cm s-1

Subtopic:  Heisenberg Uncertainty Principle |
To view explanation, please take trial in the course below.
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If the mass of electron is 9.11×10-31 kg  and the planck's constant is 6.626 ×10-34 Js, then the uncertainty involved in the measurement of velocity within a distance of 0.1Å is :

1. 5.79×106 ms-1

2. 5.79×107 ms-1

3. 5.79×108 ms-1

4. 5.79×105 ms-1

Subtopic:  Heisenberg Uncertainty Principle |
To view explanation, please take trial in the course below.
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Uncertainity in position of a e- and He is similar. If uncertainity in momentum of e-is  32×105 , then uncertainity in momentum of He will be :

1. 32 × 105

2. 16 × 105

3. 8 × 105

4. None of the above

Subtopic:  Heisenberg Uncertainty Principle |
To view explanation, please take trial in the course below.
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology