Physics And Measurement Question 293

Question: The values of kinetic energy K and potential energy U are measured as follows: K=100.0±2.0J,U=200.0±1.0J . Then the percentage error in the measurement of mechanical energy is -

Options:

A) 2.5%

B) 1%

C) 0.5%

D) 1.5%

Show Answer

Answer:

Correct Answer: B

Solution:

[b] ME=K+U=300±3J=E±ΔE

ΔEE×100=1



NCERT Chapter Video Solution

Dual Pane