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General
Easy
Question
Time period of small oscillation (in a vertical plane normal to the plane of strings) of the bob in the arrangement shown will be:
The correct answer is:
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Physics-
A spring mass system preforms S.H.M. If the mass is doubled keeping amplitude same, then the total energy of S.H.M. will become:
A spring mass system preforms S.H.M. If the mass is doubled keeping amplitude same, then the total energy of S.H.M. will become:
Physics-General
physics-
Two blocks of masses 3 kg and 6 kg rest on a horizontal smooth surface. The 3 kg block is attached to a spring with a force constant k = 900 Nm-1 which is compressed 2 m from beyond the equilibrium position. The 6 kg mass is at rest at 1m from mean position.3kg mass strikes the 6 kg mass and the two stick together
Two blocks of masses 3 kg and 6 kg rest on a horizontal smooth surface. The 3 kg block is attached to a spring with a force constant k = 900 Nm-1 which is compressed 2 m from beyond the equilibrium position. The 6 kg mass is at rest at 1m from mean position.3kg mass strikes the 6 kg mass and the two stick together
physics-General
Physics-
The potential energy of a particle of mass 0.1kg, moving along x-axis, is given by U = 5x(x-4)J where x is in metres. It can be concluded that
The potential energy of a particle of mass 0.1kg, moving along x-axis, is given by U = 5x(x-4)J where x is in metres. It can be concluded that
Physics-General
physics-
The displacement-time graph of a particle executing SHM is shown. Which of the following statements is/are true?
The displacement-time graph of a particle executing SHM is shown. Which of the following statements is/are true?
physics-General
Physics-
A plank with a small block on top of it under going vertical SHM. Its period in 2 sec. The minimum amplitude at which the block will separate from piston is:
A plank with a small block on top of it under going vertical SHM. Its period in 2 sec. The minimum amplitude at which the block will separate from piston is:
Physics-General
physics-
A 2 Kg block moving with 10 m/s strikes a spring of constant p2 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
A 2 Kg block moving with 10 m/s strikes a spring of constant p2 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
physics-General
Physics-
The displacement of a body executing SHM is given by x = A sin (2
t + /3). The first time from t = 0 when the velocity is maximum is
The displacement of a body executing SHM is given by x = A sin (2 t + /3). The first time from t = 0 when the velocity is maximum is
Physics-General
physics-
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
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
physics-General
Physics-
Find the ratio of time periods of two identical springs if they are first joined in series & then in parallel & a mass m is suspended from them:
Find the ratio of time periods of two identical springs if they are first joined in series & then in parallel & a mass m is suspended from them:
Physics-General
physics-
Moment of inertia of a semicircular ring of radius R and mass M; about an axis passing through A and perpendicular to the plane of the paper is
Moment of inertia of a semicircular ring of radius R and mass M; about an axis passing through A and perpendicular to the plane of the paper is
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physics-
Moment of inertia of a thin semicircular disc (mass = M & radius = R) about an axis through point O and perpendicular to plane of disc, is given by:
Moment of inertia of a thin semicircular disc (mass = M & radius = R) about an axis through point O and perpendicular to plane of disc, is given by:
physics-General
physics-
In the triangular sheet given PQ = QR = l. If M is the mass of the sheet. What is the moment of inertial about PR
In the triangular sheet given PQ = QR = l. If M is the mass of the sheet. What is the moment of inertial about PR
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physics-
A homogeneous cubical brick lies motionless on a rough inclined surface. The half of the brick which applies greater pressure on the plane is
A homogeneous cubical brick lies motionless on a rough inclined surface. The half of the brick which applies greater pressure on the plane is
physics-General
physics-
A uniform cube of side ‘b’ and mass M rest on a rough horizontal table. A horizontal force F is applied normal to one of the face at a point, at a height 3b/4 above the base. What should be the coefficient of friction (
) between cube and table so that is will tip about an edge before it starts slipping?
A uniform cube of side ‘b’ and mass M rest on a rough horizontal table. A horizontal force F is applied normal to one of the face at a point, at a height 3b/4 above the base. What should be the coefficient of friction () between cube and table so that is will tip about an edge before it starts slipping?
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physics-
A uniform rod AB of length L and mass M is lying on a smooth table. A small particle of mass m strike the rod with a velocity v0 at point C a distance x from the centre O. The particle comes to rest after collision. The value of x, so that point A of the rod remains stationary just after collision, is:
A uniform rod AB of length L and mass M is lying on a smooth table. A small particle of mass m strike the rod with a velocity v0 at point C a distance x from the centre O. The particle comes to rest after collision. The value of x, so that point A of the rod remains stationary just after collision, is:
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