A fluid is flowing through a horizontal pipe of varying cross-section with speed v m/s at a point where the pressure is P Pascal. At another point where pressure is P/2 Pascal, its speed is V m/s. If the density of the fluid is ρ kg/m3 and the flow is streamline, then V is equal to:

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?