Physics-
General
Easy
Question
A 2 Kg block moving with 10 m/s strikes a spring of constant 
N/m attached to 2 Kg block at rest kept on a smooth floor. The time for which rear moving block remain in contact with spring will be
- 1 sec
The correct answer is: 1 sec
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A particle of mass m moves in the potential energy U shown above. The period of the motion when the particle has total energy E is
A particle of mass m moves in the potential energy U shown above. The period of the motion when the particle has total energy E is
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A system of two identical rods (L-shaped) of mass m and length l are resting on a peg P as shown in the figure. If the system is displaced in its plane by a small angle 
, find the period of oscillations:
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A heavy brass sphere is hung from a light spring and is set in vertical small oscillation with a period T. The sphere is now immersed in a non-viscous liquid with a density 1/10th the density of the sphere. If the system is now set in vertical S.H.M., its period will be
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A man is swinging on a swing made of 2 ropes of equal length L and in direction perpendicular to the plane of paper. The time period of the small oscillations about the mean position is
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The graphs in figure show that a quantity y varies with displacement d in a system undergoing simple harmonic motion.
Which graphs best represents the relationship obtained when y is
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Which graphs best represents the relationship obtained when y is
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Two particles execute SHM of same amplitude of 20 cm with same period along the same line about the same equilibrium position. The maximum distance between the two is 20 cm. Their phase difference in radians is
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A semicircle conducting ring of radius R is placed in the xy plane, as shown in the figure. A uniform magnetic field is set up along the x–axis. No emf, will be induced in the ring. If
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Two wedges, each of mass m, are placed next to each other on a flat floor. A cube of mass M is balanced on the wedges as shown. Assume no friction between the cube and the wedges, but a coefficient of static friction 
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A string is wrapped round a log of wood and it is pulled with a force F as shown in the figure Choose the correct statement(s).
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In the figure shown if the object ‘O’ moves towards the plane mirror, then the image I (which is formed after successive reflections from M1 & M2 respectively) will move:
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A uniform ring is rotating about vertical axis with angular velocity 
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physics-General
