Question

measuring time using a device the percentage error is 0.1%. What will be the percentage error in the
measurement of square of a time interval by using the same device, when the CORRECT value (in second
square) is 16?
A. 0.2001
B. 0.201
C. 0.2002
D. 0.2004
Answer

Answer 1

Answer:

A. 0.2001

Step-by-step explanation:

Among the various options given in question statement the correct option is the first one.

Uncertainties add up when multiplying or dividing values, gets halfed for square root. In our case, since it involves multiplication, then percentage error would add up.

% error = 0.1 + 0.1 = 0.2

Nearest option to this is 0.2001 which is first option