The Einstein relationship between the diffusion constant 'D' and mobility 'μ' for an electron in a semiconductor is given by (where kB is the Boltzmann constant and T is the absolute temperature, e is the electron charge):

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?