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प्रश्न
Fill in the boxe to show the corresponding energy transformation.
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उत्तर
Chemical energy ⇌ Light energy
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संबंधित प्रश्न
The energy of a body is its capacity to do .........
State the energy transformation on the following:
Electricity is obtained from solar energy.
What is the work done against gravity when a body is moved horizontally along a frictionless surface?
P, Q and R are three forces which act as shown in fig.
The point O lies in the same plane. Given, P = Q = R = 10N
(i) Which force has the least moment about O? Give a reason.
(ii)Which force has the greatest moment about O? Give a reason.
In the following case write yes, if the work is being done and no if no work is being done.
A boy climbing up a staircase.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A green plant is carrying out photosynthesis.
A car is accelerated on a levelled road and attains a velocity 4 times of its initial velocity. In this process the potential energy of the car
