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प्रश्न
What do you understand by the term hydroelectric power?
उत्तर
Hydroelectric power is the power derived from the energy of falling water or fast running water. A hydroelectric power plant is an arrangement in which the kinetic energy of flowing water is transformed into electric energy and the electric energy so generated is called hydroelectric energy.
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संबंधित प्रश्न
Energy flow in ecosystem is_____
(A) reverse
(B) unidirectional
(C) bidirectional
(D) multidirectional
Construct a pyramid of numbers by taking suitable examples for each trophic level in an ecosystem.
Correct and rewrite the following statement and justify your correction.
Plants in an ecosystem are called primary consumers.
The energy enters the ecosystem through ______.
Food chain begins with
What is biomagnification?
Trophic level of food chain having greatest amount of energy is ______.
In relation to energy transfer in ecosystem, explain the statement "10 kg of deer's meat is equivalent to 1 kg of lion's flesh".
“The energy flow in the ecosystem follows the second law of thermodynamics.” Explain.
