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प्रश्न
Can you tell?
What are the various forms of energy?
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उत्तर
The various forms of energy include mechanical energy, heat energy, light energy, sound energy, gravitational energy, electrical energy, chemical energy, atomic energy, and nuclear energy.
संबंधित प्रश्न
(i) The conversion of part of the energy into an undesirable form is called ______________.
(ii) For a given height h, __________________ the length l of the inclined plane, lesser will be the effort required.
State the work energy theorem.
State two advantages of producing electricity from solar energy.
Explain the principle of producing electricity using the nuclear energy.
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
How is kinetic energy possessed by a moving body measured?
Give three examples of bodies possessing potential energy.
Draw a diagram to show the energy changes in an oscillating simple pendulum. Indicate in your diagram how the total mechanical energy in it remains constant during the oscillation.
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
