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प्रश्न
Water stored in a dam possesses :
पर्याय
no energy
electrical energy
kinetic energy
potential energy
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उत्तर
Water stored in a tank possesses gravitational potential energy because of its position above the ground.
Therefore, the answer is, (d) Potential energy.
संबंधित प्रश्न
State whether the object possess kinetic energy, potential energy, or both :
A flying aeroplane _______________.
State whether the object possess kinetic energy, potential energy, or both :
A ceiling fan in the off position ______________
A boy weighing 40 kg makes a high jump of 1.5 m.
What is his kinetic energy at the highest point?
A boy weighing 40 kg makes a high jump of 1.5 m.
What is his potential energy at the highest point? (g = 10 m/s2)
What are the various forms of energy?
A ball of mass 0.5 kg slows down from a speed of 5 m/s so that of 3 m/s. Calculate the change in kinetic energy of the ball. State your answer giving proper units.
Name the device or machine which convert :
Chemical energy into electrical energy.
Write the energy transformations which take place in an electric bulb (or electric lamp).
The hanging bob of a simple pendulum is displaced to one extreme position B and then released. It swings towards centre position A and then to the other extreme position C. In which position does the bob have :
(i) maximum potential energy?
(ii) maximum kinetic energy?
How much energy does a 100 W electric bulb transfer in 1 minute?
