Question:medium
Moment of inertia of a rod about an axis passing through a point at distance \(\ell/4\) from the center and perpendicular to the rod is: (The uniform rod has mass \(m\) and length \(\ell\)).
Moment of inertia of a rod about an axis passing through a point at distance \(\ell/4\) from the center and perpendicular to the rod is: (The uniform rod has mass \(m\) and length \(\ell\)).
Updated On: Apr 5, 2026
- \(\dfrac{7m\ell^2}{48}\)
- \(\dfrac{3m\ell^2}{48}\)
- \(\dfrac{4m\ell^2}{48}\)
- \(\dfrac{m\ell^2}{48}\)
Show Solution
The Correct Option is A
Solution and Explanation
Was this answer helpful?
0
Top Questions on Quantum Mechanics
As shown in the figure, the ratio of \(T_1\) and \(T_2\) is
- JEE Main - 2026
- Physics
- Quantum Mechanics
- A cube of side length \(5\,\text{cm}\) having modulus of rigidity \(10^5\,\text{N/m}^2\). The top is pulled by a force \(10\,\text{N}\) while the bottom is fixed. Find the displacement of the upper surface of cube (in mm).
- JEE Main - 2026
- Physics
- Quantum Mechanics
- Two points \(A\) and \(B\) are \(16\,\text{km}\) from the surface of Earth. Point \(A\) is above the surface while point \(B\) is below the surface. Acceleration due to gravity at \(A\) and \(B\) are \(g_A\) and \(g_B\) respectively. Find \(\dfrac{g_A}{g_B}\). (Take radius of Earth \(R = 6400\,\text{km}\))
- JEE Main - 2026
- Physics
- Quantum Mechanics
- A ball is dropped from a height \(18\,\text{m}\) above the ground. At any moment, if magnitude of acceleration and velocity are same, find its height above ground at that instant.
- JEE Main - 2026
- Physics
- Quantum Mechanics
- Want to practice more? Try solving extra ecology questions todayView All Questions