# National Standard Examination in Physics (NSEP) Solved Paper 2016 Part-19

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Q: 67. Circuit A is a series LCR circuit with and Another circuit B has and Both the circuits have the same resistance and the capacitor and the inductance are assumed to ideal components. Each of the circuits is connected to the same sinusoidal voltage source. Then

(A) Both the circuits have the same resonant frequency

(B) Both the circuits carry the same peak curremt

(C) Resoonance curve for circuit A is more shap than that for circuit B

(D) Resonance curve for circuit B is more shap than that for circuit A

Answer: (AC)

Q: 68. The variation of acceleration with time for a particle perfoeming simple harmonic motion along straight line as in adjacent figure. Therefore

(A) The particle has a non-zero displacement initially

(B) The displacement of the particle at point 1 is negative

(C) The velocity of the particle at point 2 is positive

(D) The potential energy at point 3 is maximum

Answer: ( ABCD)

Q: 69. Which of the following physical quantities have dimensions identical to each other?

(A) The Young’s modulus Y.

(B) where E is the electric field intensity and is the permittivity of free space

(C) where B is the magnetic field and is the permeability of free space

(D) KT where k is Boltzmann’s constant and T is the absolute temperature

Answer: (ABC)

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Q: 70. A small ball bearing is released at the top of a long vertical column of glycerine of height 2h. The bal bearing falls through a height h in a time and then the remaining height with the terminal velocity in time Let and be the work done against viscous drag over these height. Therefore,

(A)

(B)

(C)

(D)

Answer: (BD)

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