Question

The dimensions of a rectangular block measured with callipers having least count of 0.01 cm are 5 mm × 10 mm × 5 mm. The maximum percentage error in the measurement of the volume of the block is(a) 5% (b) 10%(c) 15% (d) 20%

Answer 1

V = LBH

V = 5 *10*10 = 500 mm³

Now the error equation is 

Delta V/V = Delta L/L + Delta B/B + Delta H/H

Delta V = 500 (0.1/5 + 0.1/10 + 0.1/10)

Delta V = ± 20 mm³

Hence

20 *100/500  = 4%

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Answer 2

wer:

Explanations

With the help of percentage error formula