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प्रश्न
Fill in the boxe to show the corresponding energy transformation.
रिकाम्या जागा भरा
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उत्तर
Electrical energy ⇌ Sound energy
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संबंधित प्रश्न
An electron emitter must have _____________ work function and ___________ melting point.
State two factors on which the work done on a body depends.
A machine raises a load of 750 N through a height of 16 m in 5 s. calculate:
- energy spent by machine,
- power at which the machine works.
When is the work done by a force on a body : (a) positive, (b) negative, and (c) zero?
How many watts equal one horse power?
What are the quantities on which the work done depends?
Is kinetic energy a scalar or a vector physical quantity?
Fill in the boxe to show the corresponding energy transformation.
In the following case write yes, if the work is being done and no if no work is being done.
A coolie standing with a heavy load on his head
________ is said to be done when a force is acting on it.
