Question : In 1653, which French scientist observed that if some pressure is applied to any point of an incompressible fluid, the same pressure is transmitted to all points of the fluid and the walls of the vessel.

Option 1: Daniel Bernoulli

Option 2: Evangelista Torricelli

Option 3: Blaise Pascal

Option 4: Eugene Bourdon

Question : In 1851, who founded the science of hydrodynamics with his law of viscosity describing the velocity of a small sphere through a viscous fluid?

Option 1: Daniel Bernoulli

Option 2: George Gabriel Stokes

Option 3: Evangelista Torricelli

Option 4: Heinrich Gustav Magnus

Question : In a water-lifting electric pump, we convert

Option 1: electrical energy into potential energy

Option 2: kinetic energy into electrical energy

Option 3: kinetic energy into potential energy

Option 4: electrical energy into kinetic energy

Question : In which form is the supplied heat energy stored during change in temperature of substance?

Option 1: Heat energy

Option 2: Kinetic energy

Option 3: Potential energy

Option 4: Both kinetic and potential energy

Question : The work done by the string of a simple pendulum during one complete oscillation is equal to

Option 1: The total energy of a pendulum

Option 2: Kinetic energy of the pendulum

Option 3: Potential energy of the pendulum

Option 4: Zero