Q. The percentage errors in the measurement of length and time period of a simple pendulum are 1% and 2% respectively. Then the maximum error in the measurement of acceleration due to gravity is
A) 8%
B) 3%
C) 4%
D) 5%
Explanation
The number of significant figures in $4.8000 \times 10^{4}$ is 5 (zeros on right after decimal are counted while zeros in powers of 10 are not counted). The number of significant figures in 48000.50 is 7 (all the zeros between two non-zero digits are significant).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.