A body is projected vertically upwards from the Earth's surface (radius R) with a velocity equal to 13 of the escape velocity. The maximum height reached by the body above the Earth's surface is:

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?