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thefractionalWhat isT 2T? Given that fractional errors in T ande are tx and t y respectively.(1)x +y (2) x-y (3) 2x + y (42xyerror in g calculated from31 Goom9

Answer»

Given :Time period of Simple pendulum =2π(√L/g)where L is the length of pendulumg =acceleration due to gravity.

ΔL/L=y/100ΔT/T=x/100 T=2π(√L/g)

g=4π² (L/T²)

Δg/g =ΔL/L +2Δ T/T

Δg/g=y/100 +2x/100

Δ(g/g)%=2x+y/100 * 100 = 2x+y%



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