Verified Solution • 2025–26 Session moderate

QAIPMT-2006-Ch-2421: NEET 2006 Chemistry - Class 11 AIPMT-2006-Ch-2421 Solution: Given: The mass of electron is \(9.11 10^{-31}\) kg, Planck…

Given: The mass of electron is 9.11×10−319.11\times10^{-31} kg, Planck constant is 6.626×10−346.626\times10^{-34} J s, the uncertainty involved in the measurement of velocity within a distance of 0.1 A˚\text{\AA} is

Multiple Choice Options

  • A 5.79×105 m s−15.79\times10^5\ \text{m s}^{-1}
  • B 5.79×106 m s−15.79\times10^6\ \text{m s}^{-1}
  • C 5.79×107 m s−15.79\times10^7\ \text{m s}^{-1}
  • D 5.79×108 m s−15.79\times10^8\ \text{m s}^{-1}

Step-by-Step Verified Solution

_ x . m _ v = h / 4 � 0.1 _ 10 -10 _ 9.11 _ 10 -31 _ _ v = 6.626 _ 10 _ 34 4 _ 3.143 _ _ v = 6.626 _ 10 _ 34 4 _ 3.143 _ 0.1 _ 10 _ 10 _ 9.11 _ 10 _ 31 = 5.79 _ 10 6 m s -1

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