Physics-
General
Easy
Question
are point charges located at points as shown in the figure as S is a spherical Gaussian surface of radius R Which of the following is true according to the Gauss’s law
- None of the above
The correct answer is:
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A charge Q is distributed uniformly on a ring of radius r A sphere of equal radius r is constructed with its centre at the periphery of the ring as shown in figure Find the flux of the electric field through the surface of the sphere
A charge Q is distributed uniformly on a ring of radius r A sphere of equal radius r is constructed with its centre at the periphery of the ring as shown in figure Find the flux of the electric field through the surface of the sphere
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Electric charge is uniformly distributed along a long straight wire of radius 1 mm The charge per cm length of the wires is Q coulomb Another cylindrical surface of radius 50 cm and length 1 m symmetrically encloses the wire as shown in the figure The total electric flux passing through the cylindrical surface is
Electric charge is uniformly distributed along a long straight wire of radius 1 mm The charge per cm length of the wires is Q coulomb Another cylindrical surface of radius 50 cm and length 1 m symmetrically encloses the wire as shown in the figure The total electric flux passing through the cylindrical surface is
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Two parallel plane sheets 1 and 2 carry uniform charge densities 
and as shown in fig electric field in the region marked II is ( 
)
Two parallel plane sheets 1 and 2 carry uniform charge densities and as shown in fig electric field in the region marked II is ( )
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In a uniform electric field find the total flux associated with the given surfaces (R is radius)
In a uniform electric field find the total flux associated with the given surfaces (R is radius)
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A thin conducting ring of radius R is given a charge +Q The electric field at the centre O of the ring due to the charge on the part AKB of the ring is E The electric field at the centre due to the charge on the part ACDB of the ring is
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physics-General
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If a hemispherical body is placed in a uniform electric field E then the flux linked with the curved surface is
If a hemispherical body is placed in a uniform electric field E then the flux linked with the curved surface is
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A particle executes harmonic motion with an angular velocity and maximum acceleration of 
and 
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A particle executes harmonic motion with an angular velocity and maximum acceleration of and respectively. The amplitude of oscillation is
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The amplitude of damped oscillator becomes 
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The amplitude of damped oscillator becomes in 2 s. Its amplitude after 6 is 1/n times the original. Then is equal to
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A simple pendulum of length has a bob of mass with a charge on it. A vertical sheet of change, with surface charge density passes through the point of suspension. At equilibrium, the spring makes an angle 
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A simple pendulum of length has a bob of mass with a charge on it. A vertical sheet of change, with surface charge density passes through the point of suspension. At equilibrium, the spring makes an angle with the vertical. Its time period of oscillations is T in this position. Then
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A spring with 10 coils has spring constant K It is exactly cut into two halves, then each of these new springs will have a spring constant
A spring with 10 coils has spring constant K It is exactly cut into two halves, then each of these new springs will have a spring constant
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When the amplitude of a body executing SHM become twice what happens?
When the amplitude of a body executing SHM become twice what happens?
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The displacement-time graph of a particle executing SHM is as shown in the figure.
The corresponding force-time graph of the particle is
The displacement-time graph of a particle executing SHM is as shown in the figure.
The corresponding force-time graph of the particle is
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In a simple harmonic motion maximum velocity is at
In a simple harmonic motion maximum velocity is at
physics-General
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The equation of a damped simple harmonic motion is 
Then the angular frequency of oscillation is
The equation of a damped simple harmonic motion is Then the angular frequency of oscillation is
physics-General
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The angular velocity and the amplitude of a simple pendulum is and a respectively. At a displacement from the mean position if its kinetic energy is T and potential energy is V, then the ratio of T to V is
The angular velocity and the amplitude of a simple pendulum is and a respectively. At a displacement from the mean position if its kinetic energy is T and potential energy is V, then the ratio of T to V is
physics-General
