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Flux passing through the shaded surface of a sphere when a point charge q is placed at the centre is ( radius of the sphere is R )
31
Oct
Flux passing through the shaded surface of a sphere when a point charge q is placed at the centre is ( radius of the sphere is R ) Flux passing through the shaded surface of a sphere when a point charge q is placed at the centre is ( radius of the sphere is R [...]
A mass of 0.2 kg is attached to the lower end of a massless spring of force constant 200 N/m, the upper end of which is fixed to a rigid support. Study the following statements.
31
Oct
A mass of 0.2 kg is attached to the lower end of a massless spring of force constant 200 N/m, the upper end of which is fixed to a rigid support. Study the following statements. A mass of 0.2 kg is attached to the lower end of a massless spring of force constant 200 N/m [...]
A cylindrical block of density d stays fully immersed in a beaker filled with two immiscible liquids of different densities d1 and d2. The block is in equilibrium with half of it in
31
Oct
A cylindrical block of density d stays fully immersed in a beaker filled with two immiscible liquids of different densities d1 and d2. The block is in equilibrium with half of it in A cylindrical block of density d stays fully immersed in a beaker filled with two immiscible liquids of different densities d1 and [...]
A block of mass m is suspended by a rubber cord of natural length l = mg/k, where k is force constant of the cord. The block is lifted upwards so that the cord becomes just tight
31
Oct
A block of mass m is suspended by a rubber cord of natural length l = mg/k, where k is force constant of the cord. The block is lifted upwards so that the cord becomes just tight A block of mass m is suspended by a rubber cord of natural length l = mg/k where [...]
Velocity of sound in air is 320m/s. A pipe closed at one end has a length of 1m. Neglecting the end corrections, the air column in the pipe can resonate for sound of frequency :
31
Oct
Velocity of sound in air is 320m/s. A pipe closed at one end has a length of 1m. Neglecting the end corrections, the air column in the pipe can resonate for sound of frequency : the air column in the pipe can resonate for sound of frequency : Velocity of sound in air is 320m/s. [...]
For a certain organ pipe, three successive resonant frequencies are observed at 425,595 and 765Hz. The speed of sound in air is 340m/s. The pipe is a
31
Oct
For a certain organ pipe, three successive resonant frequencies are observed at 425,595 and 765Hz. The speed of sound in air is 340m/s. The pipe is a 595 and 765Hz. The speed of sound in air is 340m/s. The pipe is a For a certain organ pipe three successive resonant frequencies are observed at 425 [...]
Two nonconducting infinite planes sheets having charges Q and 2 Q are placed parallel to each other as shown in figure. The charge distribution on the four faces of the two plates is also shown. The electric field intensities at three points 1, 2, and 3 are E→1,E→2,andE→3, respectively. Then the magnitudes of E→1,E 2, and E 3 are, respectively (surface area of plates ) :
31
Oct
Two nonconducting infinite planes sheets having charges Q and 2 Q are placed parallel to each other as shown in figure. The charge distribution on the four faces of the two plates is also shown. The electric field intensities at three points 1, 2, and 3 are E→1,E→2,andE→3, respectively. Then the magnitudes of E→1,E 2, [...]
An organ pipe closed at one end has fundamental frequency of 500Hz. The maximum number of overtones generated by this pipe which a normal person can hear is
31
Oct
An organ pipe closed at one end has fundamental frequency of 500Hz. The maximum number of overtones generated by this pipe which a normal person can hear is An organ pipe closed at one end has fundamental frequency of 500Hz. The maximum number of overtones generated by this pipe which a normal person can hear [...]
A nonconducting sphere of radius R is filled with uniform volume charge density −ρ. The center of this sphere is displaced from the origin by d. The electric field E at any point P having position vector inside the sphere is
31
Oct
A nonconducting sphere of radius R is filled with uniform volume charge density −ρ. The center of this sphere is displaced from the origin by d. The electric field E at any point P having position vector inside the sphere is In a region of space the electric field is given by E = 8 [...]
Two blocks connected by a spring rest on a smooth horizontal plane as shown in the given figure. A constant force F starts acting on block m2 as shown in the figure. Which of the
31
Oct
Two blocks connected by a spring rest on a smooth horizontal plane as shown in the given figure. A constant force F starts acting on block m2 as shown in the figure. Which of the Two blocks connected by a spring rest on a smooth horizontal plane as shown in the given figure. A constant [...]