Two discs of the same mass and same thickness (t) are made from two different materials of densities d1 and d2 respectively. The ratio of the moment of inertia I1 to I2 of the two discs about an axis passing through the center and perpendicular to the plane of the disc is:

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?