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Easy
Question
Figure shows ABCDEF as a regular hexagon. What is the value of
The correct answer is:
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Find the resultant of three vectors and shown in the following figure. Radius of the circle is R.
Find the resultant of three vectors and shown in the following figure. Radius of the circle is R.
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From the equation , one can obtain the angle of banking for a cyclist taking a curve (the symbols have their usual meanings). Then say, it is
From the equation , one can obtain the angle of banking for a cyclist taking a curve (the symbols have their usual meanings). Then say, it is
Physics-General
Physics-
Number of particles is given by crossing a unit area perpendicular to X-axis in unit time, where and are number of particles per unit volume for the value of meant to and . Find dimensions of called as diffusion constant
Number of particles is given by crossing a unit area perpendicular to X-axis in unit time, where and are number of particles per unit volume for the value of meant to and . Find dimensions of called as diffusion constant
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A thin uniform rod AB of length L and mass M hangs from a smooth pivot at A and is connected at the bottom by a spring of constant K to wall as shown. The system is set into oscillation by slightly displacing end B. The period of oscillation is
A thin uniform rod AB of length L and mass M hangs from a smooth pivot at A and is connected at the bottom by a spring of constant K to wall as shown. The system is set into oscillation by slightly displacing end B. The period of oscillation is
Physics-General
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The displacement of a particle from its mean position (in metre) is given by . The motion of particle is
The displacement of a particle from its mean position (in metre) is given by . The motion of particle is
Physics-General
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Four massless springs whose force constants are 2k, 2k, k and 2k respectively are attached to a mass M kept on a frictionless plane (as shown in figure). If the mass M is displaced in the horizontal direction, then the frequency of oscillation of the system is
Four massless springs whose force constants are 2k, 2k, k and 2k respectively are attached to a mass M kept on a frictionless plane (as shown in figure). If the mass M is displaced in the horizontal direction, then the frequency of oscillation of the system is
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Physics-
A man having a wrist watch and a pendulum clock rises on a TV tower. The wrist watch and pendulum clock per chance fall from the top of the tower. Then
A man having a wrist watch and a pendulum clock rises on a TV tower. The wrist watch and pendulum clock per chance fall from the top of the tower. Then
Physics-General
Physics-
A man weighing 60 kg stands on the horizontal platform of a spring balance. The platform starts executing simple harmonic motion of amplitude 0.1 m and frequency . Which of the following statement is correct
A man weighing 60 kg stands on the horizontal platform of a spring balance. The platform starts executing simple harmonic motion of amplitude 0.1 m and frequency . Which of the following statement is correct
Physics-General
Physics-
Time period of a block suspended from the upper plate of a parallel plate capacitor by a spring of stiffness k is T. When block is uncharged. If a charge q is given to the block them, the new time period of oscillation will be
Time period of a block suspended from the upper plate of a parallel plate capacitor by a spring of stiffness k is T. When block is uncharged. If a charge q is given to the block them, the new time period of oscillation will be
Physics-General
Physics-
The period of a simple pendulum, whose bob is a hollow metallic sphere, is T. The period is T1 when the bob is filled with sand, T2 when it is filled with mercury and T3 when it is half filled with mercury. Which of the following is true
The period of a simple pendulum, whose bob is a hollow metallic sphere, is T. The period is T1 when the bob is filled with sand, T2 when it is filled with mercury and T3 when it is half filled with mercury. Which of the following is true
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The variation of potential energy of harmonic oscillator is as shown in figure. The spring constant is
The variation of potential energy of harmonic oscillator is as shown in figure. The spring constant is
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Acceleration A and time period T of a body in S.H.M. is given by a curve shown below. Then corresponding graph, between kinetic energy (K.E.) and time t is correctly represented by
Acceleration A and time period T of a body in S.H.M. is given by a curve shown below. Then corresponding graph, between kinetic energy (K.E.) and time t is correctly represented by
Physics-General
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A body of mass 0.01 kg executes simple harmonic motion (S.H.M.) about under the influence of a force shown below : The period of the S.H.M. is
A body of mass 0.01 kg executes simple harmonic motion (S.H.M.) about under the influence of a force shown below : The period of the S.H.M. is
Physics-General
Physics-
The velocity-time diagram of a harmonic oscillator is shown in the adjoining figure. The frequency of oscillation is
The velocity-time diagram of a harmonic oscillator is shown in the adjoining figure. The frequency of oscillation is
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Physics-
For a particle executing S.H.M. the displacement x is given by . Identify the graph which represents the variation of potential energy (P.E.) as a function of time t and displacement x
For a particle executing S.H.M. the displacement x is given by . Identify the graph which represents the variation of potential energy (P.E.) as a function of time t and displacement x
Physics-General