Q. The percentage error in the above problem is
A) 7%
B) 5.95%
C) 8.95%
D) 9.85%
Explanation
% error in velocity = % error in $L + \%\$error in$\ t$ $= \frac{0.2}{13.8} \times 100 + \frac{0.3}{4} \times 100$ $= 1.44 + 7.5 = 8.94\ \%$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.