The figure shows a uniform rod lying along the -axis. The locus of all the points lying on the plane, about which the moment of inertia of the rod is same as that , is

a) |
Anellipse |
b) |
A circle |
c) |
A parabola |
d) |
A straight line |

The figure shows a uniform rod lying along the -axis. The locus of all the points lying on the plane, about which the moment of inertia of the rod is same as that , is

a) |
Anellipse |
b) |
A circle |
c) |
A parabola |
d) |
A straight line |

1 Answer - 5876 Votes

3537

**(b)**

Let us take any point on plane. The MI of the rod about is

Hence ,

MI of the rod about

Applying we get an equation of a circle