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प्रश्न
Give one disadvantage of using a solar cell.
उत्तर
One disadvantage of solar cell is listed below:
i. The initial cost of a solar panel is sufficiently high.
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संबंधित प्रश्न
Give one example of a body that has potential energy, in due to its state.
Name the physical quantity measured in terms of horse power.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A compressed spring
State the energy changes in the following case while in use:
an electric cell in a circuit
Select the renewable and non-renewable sources of energy from the following:
Coal
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in form of energy during its motion.
What do you understand by the kinetic energy of the body?
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
What ts the original source of energy for the electricity produced at a thermal power station?
