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प्रश्न
State the energy change in the following device while in use:
A loudspeaker
उत्तर
Electric energy to sound.
संबंधित प्रश्न
Name five different forms of energy.
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
Give one relevant example for the following transformation of energy:
Electrical energy to heat energy.
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
State two advantages of using nuclear energy for producing electricity.
What is dissipation of energy?
State the energy changes which take place in Electricity is obtained from solar energy.
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
You might have seen some beautiful fireworks during Diwali. It is an example of the transformation of ______ energy into ______ energy.
