# National Standard Examination in Physics (NSEP) Solved Paper 2016 Part-7

Q: 22. In the adjacent circuit a resistance R is used. Initially with ‘wire AB’ not in the circuit, the galvanometer shows a deflection of d divisions. Now, the ‘wire AB’ is connected parallel to the galvanometer and the galvanometer shows a deflection nearly d/2 divisions. Therefore

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(D)

Q: 23. At a certain height h above the surface of the earth the change in the value of acceleration due to gravity (g) is the same as that at a depth x below the surface. Assuming h and x to be enough small compared to the radius of the earth, x : h is

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Q: 24. Two point masses and are connected at the ends of a light rigid rod of length ℓ. The moment of inertia of the system about an axis through their centre of mass and perpendicular to the rod is

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(D)

Q: 25. Two particles of masses m and M are initially at rest and infinitely separated. At a later instant when they are at a finite distance d from each other, their relative velocity of approach is

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