JEE Advanced 2015 Paper 2

Section: Physics

Question : 2 of 60

Marks: +1, -0

The energy of a system as a function of time t is given as E(t)=A2exp(−αt).where‌α=0.2s−1.The measurement of A has an error of 1.25%.If the error in the measurement of time is 1.50%.the percentage error i the vaue of E(t) at t=5 s is

[JEE Adv 2015 P2]

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