Which of the following has the same unit as energy?
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The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.
Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?
The unit of power used in industry is
A man lifts a luggage of 25 kg from the ground and puts it on the head, 2.5 m above the ground. If the value of g = 10 m/s2, then the value of work done by him on the luggage is
Work done by an object on application of a force would be zero if the displacement of the object is:
What is the SI unit of Charge?
A charge of 2 C passes from one point to the other in a circuit. If the potential difference between the two points is 5 V, the amount of work done is
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