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Q-If the error in measurement of the momentum of a particle is (+100%).Then the error in the measurement of kinetic energy is?The correct answer is given 300% but my answer is coming 200%.Please help me.

Q-If the error in measurement of the momentum of a particle is (+100%).Then the error in the measurement of kinetic energy is?The correct answer is given 300% but my answer is coming 200%.Please help me.

Grade:11

1 Answers

shiddhant bhattacharya
25 Points
8 years ago

i think the ans is 300 bcoz p=mv. in this the percentage error in mass is also 100. 

 

now k=p^2/2m

so the error in measurement of kinetic energy is 300 not 200

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