Question : The energy that can harness heat stored below the earth's surface is known as:

Option 1: thermal energy

Option 2: nuclear energy

Option 3: tidal energy

Option 4: geothermal energy

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 : Which of the statements is not correct regarding energy?

Option 1: The energy possessed by a body due to its change in position or shape is called potential energy.

Option 2: An object of mass m moving with velocity v has a kinetic energy of (mv)/2.

Option 3: The gravitational potential energy of an object of mass, M raised through a height, H from the Earth's surface is given by MgH.

Option 4: An object in motion possesses what is known as the kinetic energy of the object.

Question : Which non-conventional energy source depends on the sun's heat?

Option 1: Wind energy
   

Option 2: Tidal energy
    

Option 3: Geothermal energy

Option 4: Solar energy