A metal wire of uniform mass density having length L and mass M is bent to form a semicircular arc. A particle of mass m is placed at the center of curvature of this arc. The magnitude of the gravitational force exerted on the particle by the wire is:

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?

Which of the following events is considered the immediate trigger for the launch of the Non-Cooperation Movement by Mahatma Gandhi?