Q. If a body is released into a tunnel dug across the diameter of earth, it executes simple harmonic motion with time period
A) $T = 2\pi\sqrt{\frac{R_{e}}{g}}$
B) $T = 2\pi\sqrt{\frac{{2R}_{e}}{g}}$
C) $T = 2\pi\sqrt{\frac{R_{e}}{2g}}$
D) $T = 2$ seconds
Explanation
The correct answer is Option A: $T = 2\pi\sqrt{\frac{R_{e}}{g}}$.
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.