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Question
Q481) The uncertainty in the position of an electron ( mass 9.1×10-28 g) moving with velocity of 3.0×104 cm s-1 accurate up to 0.11% will be ... [ CBSE PMT 1995]




SOLUTION

Here Δv=0.11% of 3.0×104 cm s-1=3.3 cm s-1

Answer: (c)