Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
State the energy change in the following device while in use:
A glowing electric bulb.
State two advantages of geothermal energy.
Name five different forms of energy.
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
What is meant by the renewable and non-renewable sources of energy? Distinguish between them giving two examples of weach.
State the energy changes which take place when:
An air gun is loaded and then fired.
Give one example when:
Potential energy changes to electric 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.
Two bodies, A and B of equal mass are kept at heights 20 m and 30 m respectively. Calculate the ratio of their potential energies.
