In a compound microscope, the objective lens has a focal length fo = 2 cm and the eyepiece has a focal length fe = 4 cm. The tube length of the microscope is 32 cm. The magnification produced by this microscope for normal adjustment (infinitely distant final image) 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?