Question

The side of a cubical block when measured with vernier calipers is 2.50cm.The vernier constant is 0.01cm.The maximum possible errorin the area of the side of the block is _________​

Answer 1

Answer:

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Explanation:

Given The side of a cubical block when measured with vernier calipers is 2.50 cm. the vernier constant is 0.01 CM. the maximum possible error is in the area of one face(in cm^2) is

We know that area of one side of cubical block

v

A = l^2

Now differentiating with respect to l we get

d A / dl = 2 l

d A = 2l dl

Δ A = 2 x 2.50 x 0.01 = 0.05

So maximum possible error is ± 0.05

TY

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