Physics And Measurement Question 167

Question: Error in the measurement of radius of a sphere is 1%. The error in the calculated value of its volume is

[AFMC 2005]

Options:

A) 1%

B) 3%

C) 5%

D) 7%

Show Answer

Answer:

Correct Answer: B

Solution:

$ \because V=\frac{4}{3}\pi r^{3} $

% error is volume $ =3\times $% error in radius $ =3\times 1 $ = 3%



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