Advertisements
Advertisements
प्रश्न
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in photosynthesis in green leaves.
Advertisements
उत्तर
Light energy changes into chemical energy.
APPEARS IN
संबंधित प्रश्न
State the energy changes that occur in a watch spring while it unwinds.
State the energy changes in the following while in use A loudspeaker .
State the energy changes in the following while using an electric motor.
State the energy changes in the following case while in use:
Microphone
State the energy changes in the following case while in use:
Burning coal
A rocket is moving up with a velocity v. If the velocity of this rocket is suddenly tripled, what will be the ratio of two kinetic energies?
A boy is moving on a straight road against a frictional force of 5 N. After travelling a distance of 1.5 km he forgot the correct path at a roundabout (Fig. 11.1) of radius 100 m. However, he moves on the circular path for one and half-cycle and then he moves forward up to 2.0 km. Calculate the work done by him.
Can any object have momentum even if its mechanical energy is zero? Explain
The energy conversion in a washing machine is from ______.
State the energy changes in the following case while in use:
A glowing electric bulb
