Physics-
General
Easy
Question
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:
The correct answer is:
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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
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
The total energy of the system
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A body performs simple harmonic oscillations along the straight line ABCDE with C as the midpoint of AE. Its kinetic energies at B and D are each one fourth of its maximum value. If AE = 2R, the distance between B and D is
A body performs simple harmonic oscillations along the straight line ABCDE with C as the midpoint of AE. Its kinetic energies at B and D are each one fourth of its maximum value. If AE = 2R, the distance between B and D 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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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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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 between the wedges and the floor. What is the largest M that can be balanced as shown without motion of the wedges?
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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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I Tension T in the string decreases with increase in , II Tension
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Find the incorrect statement/s for a concave mirror producing a virtual image of the object.
Find the incorrect statement/s for a concave mirror producing a virtual image of the object.
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The load versus elongation graph for four wires of the same material is shown in the figure. The thinnest wire is represented by the line
The load versus elongation graph for four wires of the same material is shown in the figure. The thinnest wire is represented by the line
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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:
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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Which of the following combinations of three dimensionally different physical quantities P, Q, R can never be a meaningful quantity?
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A beam of white light is incident on a combinations of prisms with equal angles. In the out going beam the rainbow colours are observed as shown. Then
A beam of white light is incident on a combinations of prisms with equal angles. In the out going beam the rainbow colours are observed as shown. Then
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