The distance between charges +𝑞 and −𝑞 is 2𝑙 and between +2𝑞 and −2𝑞 is 4𝑙. The electrostatic potent

A Fixed Smooth wedge whose vertical cross section is a curve

Calculate the Tension in the string BC.

A uniform disc of mass m and radius R is pivoted at point ‘P’ and is free to rotate in vertical plan

For a particle in uniform circular motion, the acceleration 𝑎  at a point P R,θ on the circle of ra

An artillery piece of mass M1 fires a shell of mass M2 horizontally. Instantaneously after the firin

A rod of mass M and length L is lying on a horizontal frictionless surface A particle of mass 'm' t

Two cars P and Q are moving on a straight road in the same direction Acceleration of car P increase

A train starting from rest first accelerates uniformly up to a speed of 80 kmh for time t, then it

The work done on a particle of mass m by a force K[𝐱/(𝐱^𝟐+𝐲^𝟐 )^(𝟑/𝟐) i ̂+y/(𝐱^𝟐+𝐲^𝟐 )^(𝟑/𝟐) j ̂ ]

A particle moves in a straight line so that its displacement ‘x’ at any time ‘t’ is given by

A particle is released on a vertical smooth semicircular track from point X so that OX makes angle

A body moves in anticlockwise direction on a circular path in the x y plane The radius of the circu

A car is moving on a circular path of radius 600 m such that the magnitudes of the tangential accele

A bird moves straight from point 1, 2 to 4,2 If the speed of the bird is 10 m/s, then find the velo

The resultant of two vectors P and Q is R. If Q is doubled then the new resultant vector is perpendi

A body of mass ‘m’ is projected from ground with speed ‘u’ at an angle 'θ' with horizontal. The powe

A plumber steps down 1 m out of his truck and walks 50 m east and then 25 m South and then takes an

A small block is connected to one end of a massless spring of un-stretched length 4.9 m. The other

A person walks 80 m east then turns right through angle 143°, walks further 50 m and stops.

In the above diagrams, a strong bar magnet is moving towards solenoid-2 from solenoid-1. The direct

What horizontal force "F" should be applied on the wedge so that block over it, does not slide. All

A drunkard is walking along a straight road. He takes 5 steps forward and 3 steps backward and so on

A block of mass ‘m’ is placed on a smooth wedge of inclination θ. The whole system is accelerated

A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves

A step up transformer has turn ratio 10. A cell of e.m.f 2 volt is fed to the primary. Secondary

A body of mass ‘m’ is projected with initial speed ‘u’ at an angle θ with the horizontal. The

The resultant of 𝐴 and 𝐵 is perpendicular to 𝐴 and its magnitude is equal to half of the magnit

A particle having initial velocity 10 m/s moves with a constant acceleration 5 ms-2, for a time

An athlete completes one round of a circular track of diameter 200 m in 40 s What will be the dista

If a wire of resistance R is stretched to double of its length, then the new resistance will be

charge q is placed at the centre of the straight line joining, two equal charges Q .The system of

Two charges 4q and q are placed at a distance l apart. A third charged particle Q is placed at the

A stone projected at an angle of 60° from the ground level strikes at an angle of 30° on the roof o

Water drops fall at regular intervals from a tap 5 m above the ground The third drop is leaving the

A particle of mass m and charge q is accelerated through a distance d1 by an electric field E.

An electron in the ground state with energy E1 of a hydrogen atom, absorbs a photon of energy Ea, an

A cart of mass M is released from A, the highest point of a frictionless track, as shown in the

Consider an equilateral prism of refractive index 1.5 and a parallelepiped block of refractive index

A particle of charge q = 1e and mass m with kinetic energy K enters an electric field set up by two

Consider two waves, which are given by y1(x,t) = Asin(kx− ωt) and y2(x,t) = √3Acos(kx−ωt), where k

Consider two pipes A and B of identical length A has one end closed and one end open B has both en

What is the potential difference between the points P and Q in the circuit shown below, once the cap

Figure shows a closed surface which intersects a conducting sphere If a positive charge is placed a

Electric field due to a uniformly charged ring, on axis at a point 'A' very close to centre is same

An inextensible cord of negligible mass passes over the rim of a solid disc of mass M and radius R

Determine the current drawn from a 12V supply with internal resistance 0.5 Ω by the infinite network

Consider an elastic collision between two particles A and B of same mass, moving in the same directi

On a circular track, two cyclists, Abhijit and Vani, mov in opposite moves with a constant speed Va

A source produces a light beam of intensity I0 polarized along the x-direction. The beam is sent

Consider a simple pendulum undergoing simple harmonic motion with a time period T, and a fixed

A solid bob of a material having density twice that of water is suspended with a massless and inexte

Two particles A and B, move with constant velocities v1 and v2 At the initial moment their position

If a+b is perpendicular to a and 2a + b is perpendicular to b. Then, b/a is

The force F = (i +bj+3k) N is rotated through an angle α , then it becomes {2i (2b-1)j+k N. The valu

Consider a water tank shown in the figure. It has one wall at x = L and can be taken to be very wide

A cube of side 1 cm contains 100 molecules each having an induced dipole moment of 0.2×10-6 Cm in

An ideal inductor-resistor-battery circuit is switched on at t = 0 s. At time t, the current is

The Airplane and the bernoulli's equation

Why the Tin Roofs fly in the hurricanes?