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Question
The uncertainity in the position of an electron (mass 9.1 × 10−28g) moving with velocity of 3.0 × 104 cm−1 accurate up to 0.011%, will be
The uncertainity in the position of an electron (mass 9.1 × 10−28g) moving with velocity of 3.0 × 104 cm−1 accurate up to 0.011%, will be
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Solution
The correct option is C 0.175 cm
Δx = h4πmΔv
= 6.625 × 10−274 × 3.14 × 9.1 × 10−28 × 3.3
= 66.254 × 3.14 × 9.1 × 3.3
= 0.175 cm
0.175 cm
Δx = h4πmΔv
= 6.625 × 10−274 × 3.14 × 9.1 × 10−28 × 3.3
= 66.254 × 3.14 × 9.1 × 3.3
= 0.175 cm
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