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प्रश्न
Fill in the boxe to show the corresponding energy transformation.
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उत्तर
Electrical energy ⇌ Sound energy
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संबंधित प्रश्न
Work done by a boy depends on the time in which he does work.
How is work related to energy?
State two advantage of producing hydroelectricity.
A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. If the value of g be 10 m/s2, the work done by the girl against the gravitational force will be :
Each of the following statement describes a force acting. Which force is causing work to be done?
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.
How is horse power related to the S. I. unit of power?
The work done by the heart is 1 Joule per beat. Calculate the power of the heart if it beats 72 times in one
