List of practice Questions

Potential difference is given as V(x) = -x2y Volt. Find electric field at a point (1, 2) ?
Van De graff generator is used to
A galvanometer of 50Ω resistance has 25 divisions. A current of 4 × 10-4 A. A gives a deflection of one division. To convert, this galvanometer into a voltmeter having a range of 25V, it should be connected with a resistance of
A man is applying force of 20 N of an object at an angle of 60° from the horizontal. If object moved by 20 m in horizontal direction, then work done by the force on the object is
Find resonance frequency in the given circuit
Electric Circuit
If a ball of mass 0.1 kg hits the ground from the height of 20 m and bounce back to the same height, then find out the force exerted on the ball if the time of impact is 0.04 sec.
(Take g = 10 m/s2)
In which radiation atomic number and mass number are not affected ?
Ratio of charge on position is approximately
What is the dimension of energy in terms of linear momentum (P), area (A) and time (T).
If frequencies are (v - 1), (v + 1) then find the beats
If frequency of a photon is 6 × 1014 Hz, then find its wavelength.
[Take, speed of light, c = 3 × 108 m/s]
If mass (M), distance (L) and time (T) are the fundamental quantities then dimension of torque is
In YDSE angular fringe width is 0.1 rad wavelength of light used is 6000 Å, find the distance between 2 slits
Maximum acceleration in SHM
The rate of decrease of kinetic energy is 9.6 j/s. Find the magnitude of force acting on the particle when it's speed in m/s
Two disc having mass ratio \(\frac{1}{2}\) and diameter ratio \(\frac{2}{1}\) then find the ratio of moment of inertia
A circuit contains 2 resistance R1 and R2 in series. Find the ratio of input voltage to voltage of R2
Find the average velocity when a particle complete the circle of radius 1m in 10 sec
Find the correct diagram of electric field lines of forces for negative charges -
If a object starts from rest and cover angles of 60 rad in 10 sec in circular motion magnitude angular acceleration will be
Two wire of same material having radius in ratio 2 : 1 and lengths in ratio 1 : 2. If same force is applied on them, then ratio of their change in length will be
A projectile of mass 1 kg is projected with a speed of 10 m/s at an angle of 60° from the horizontal when projectile is at its highest point, its magnitude of angular momentum (about point of projection)
Find the distance between two consecutive nodes if for a string
T = 0.25 N, μ = 1 mg/m, f = 250Hz
If escape velocity one earth surface is 11.1 km/hr then find the escape velocity on the moon surface if mass of moon is \(\frac{1}{81}\) times of the mass of the earth and radius is \(\frac{1}{4}\) times radius of earth
If three objects are thrown with velocities \(\sqrt{\frac{2gH}{2}},\sqrt{2gh},\sqrt{\frac{gH}{3}}\), then the ratio of maximum heights