Q. If the length of rod $A$ is $3.25 \pm 0.01\ cm$ and that of $B$ is $4.19 \pm 0.01\ cm$ then the rod $B$ is longer than rod $A$ by
A) $0.94 \pm 0.00\ cm$
B) $0.94 \pm 0.01\ cm$
C) $0.94 \pm 0.02\ cm$
D) $0.94 \pm 0.005\ cm$
Explanation
The correct answer is Option C: $0.94 \pm 0.02\ cm$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.