Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A horizontal string-mass system of mass M executes oscillatory motion of amplitude a0 and time period T0. When mass M is passing through its equilibrium position another
30
Oct
A horizontal string-mass system of mass M executes oscillatory motion of amplitude a0 and time period T0. When mass M is passing through its equilibrium position another A horizontal string-mass system of mass M executes oscillatory motion of amplitude a0 and time period T0. When mass M is passing through its equilibrium position another October [...]
A mass M attached to a spring oscillates with a period of 2 s. If the mass is increased by 2 kg, the period increases by 1 s, find the initial mass M assuming that Hooke’s law is obeyed.
30
Oct
A mass M attached to a spring oscillates with a period of 2 s. If the mass is increased by 2 kg, the period increases by 1 s, find the initial mass M assuming that Hooke’s law is obeyed. A mass M attached to a spring oscillates with a period of 2 s. If the [...]
A solid insulating sphere of radius a carries a net positive charge 3Q, uniformly distributed throughout its volume. Concentric with this sphere is a conducting spherical shell with inner radius b and outer radius c and having a net charge -Q, as shown in figure a. Consider a spherical Gaussian surface of radius rgtc, the net charge enclosed by this surface is …………. b. The direction of the electric field rgtc is …………. c. The electric field at rgtc is …………… . d. The electric field in the region with radius r, which cgtrgtb, is …………… e. Consider a spherical Gaussian surface of radius r, where c>r>b, the net charge enclosed by this surface is ……………. . f. Consider a spherical Gaussian surface of radius r, whereb>r>a, the net charge enclosed by this surface is …………….. . g. The electric field in the region b>r>a is ……………. . h. Consider a spherical Gaussian surface of radius r<a. Find an expression for the net charge Q(r) enclosed by this surface as a function of r. Note that the charge inside the surface is less than 3Q. i. The electric field in the region r<a is …………….. . j. The charge on the inner surface of the conducting shell is ………. . k. The charge on the outer surface of the conducting shell is ………….. . l. Make a plot of the magnitude of the electric field versus r.
30
Oct
A solid insulating sphere of radius a carries a net positive charge 3Q, uniformly distributed throughout its volume. Concentric with this sphere is a conducting spherical shell with inner radius b and outer radius c and having a net charge -Q, as shown in figure a. Consider a spherical Gaussian surface of radius rgtc, the [...]
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A solid insulating sphere of radius a carries a net positive charge 3Q ,
A wooden block performs SHM on a frictionless surface with frequency ,
as shown in figure a. Consider a spherical Gaussian surface of radius rgtc ,
then the SHM of the block will be : ,
uniformly distributed throughout its volume. Concentric with this sphere is a conducting spherical shell with inner radius b and outer radius c and having a net charge -Q ,
v 0 . The block carries a charge +Q on its surface. lf now a uniform electrlc field E is switched-on as shown ,
A ball of mass m is connected to two rubber bands of length L, each under tension T as shown in the figure. The ball is displaced by a small distance y perpendicular to the length
30
Oct
A ball of mass m is connected to two rubber bands of length L, each under tension T as shown in the figure. The ball is displaced by a small distance y perpendicular to the length A ball of mass m is connected to two rubber bands of length L each under tension T as [...]
The three small spheres shown in Fig. carry charges q1 = 4.00 nC, q2 = -7.80 nC, and q3 = 2.40 nC. Find the net electric flux through each of the following closed surfaces shown in cross section in the figure: (a) S1; (b) S2; (c) S3; (d) S4; (e) S5. (f) Do your answers to parts (a)-(e) depend on how the charge is distributed over each small sphere? Why or why not?
30
Oct
The three small spheres shown in Fig. carry charges q1 = 4.00 nC, q2 = -7.80 nC, and q3 = 2.40 nC. Find the net electric flux through each of the following closed surfaces shown in cross section in the figure: (a) S1; (b) S2; (c) S3; (d) S4; (e) S5. (f) Do your answers [...]
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A wooden block performs SHM on a frictionless surface with frequency ,
q2 = -7.80 nC ,
The three small spheres shown in Fig. carry charges q1 = 4.00 nC ,
then the SHM of the block will be : ,
v 0 . The block carries a charge +Q on its surface. lf now a uniform electrlc field E is switched-on as shown ,
A block of mass m is suspended from the ceiling of a stationary elevator through a spring of spring constant k; it is in equilibrium. Suddenly, the cable breaks and the elevator starts
30
Oct
A block of mass m is suspended from the ceiling of a stationary elevator through a spring of spring constant k; it is in equilibrium. Suddenly, the cable breaks and the elevator starts A block of mass m is suspended from the ceiling of a stationary elevator through a spring of spring constant k; it [...]
A conducting sphere carrying charge Q is surrounded by a spherical conducting shell. a. What is the net charge on the inner surface of the shell? b. Another charge q is placed outside the shell. Now, what is the net charge on the inner surface of the shell? c. If q is moved to a position between the shell and the sphere, what is the net charge on the inner surface of the shell? d. Are your answer valid if the sphere and shell are not concentric?
30
Oct
A conducting sphere carrying charge Q is surrounded by a spherical conducting shell. a. What is the net charge on the inner surface of the shell? b. Another charge q is placed outside the shell. Now, what is the net charge on the inner surface of the shell? c. If q is moved to a [...]
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A conducting sphere carrying charge Q is surrounded by a spherical conducting shell. a. What is the net charge on the inner surface of the shell? b. Another charge q is placed outside the shell. Now ,
what is the net charge on the inner surface of the shell? c. If q is moved to a position between the shell and the sphere ,
what is the net charge on the inner surface of the shell? d. Are your answer valid if the sphere and shell are not concentric? ,
Point charge q s placed at a point on the axis of a square non-conducting surface. The axis is perpendicular to the square surface and is passing through its centre. Flux of electric field throught he square caused due to charged q is ϕ. If the square is given a surface change of uniform density σ, find the force on the square surface due to point charge q.
30
Oct
Point charge q s placed at a point on the axis of a square non-conducting surface. The axis is perpendicular to the square surface and is passing through its centre. Flux of electric field throught he square caused due to charged q is ϕ. If the square is given a surface change of uniform density [...]
The potential energy of a particle oscillating on x-axis is given as U = 20 + (x – 2)^2. Here U is in joules and x in metres. Total mechanical energy of the particle is 36 J.
30
Oct
The potential energy of a particle oscillating on x-axis is given as U = 20 + (x – 2)^2. Here U is in joules and x in metres. Total mechanical energy of the particle is 36 J. The potential energy of a particle oscillating on x-axis is given as U = 20 + (x - [...]
A linear harmonic oscillator has a total mechanical energy of 200 J. Potential energy of it at mean position is 50 J. Find (1) the maximum kinetic energy (2) the minimum potential energy
30
Oct
A linear harmonic oscillator has a total mechanical energy of 200 J. Potential energy of it at mean position is 50 J. Find (1) the maximum kinetic energy (2) the minimum potential energy A linear harmonic oscillator has a total mechanical energy of 200 J. Potential energy of it at mean position is 50 J. [...]