First slide
NA
Question

If the error in the measurement of momentum of a particle is (+100%), then the error in the measurement of kinetic energy is

Moderate
Solution

Since, error in measurement of momentum is + 100%

P1=P,P2=2p

K1=p22m,K2=(2p)22m

% in K=K2-K1K1×100

=4-11×100=300%

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