List of practice Questions

What is the dimension of energy in terms of linear momentum (P), area (A) and time (T).

Ratio of charge on position is approximately

If mass (M), distance (L) and time (T) are the fundamental quantities then dimension of torque is

If frequencies are (v - 1), (v + 1) then find the beats

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

If frequency of a photon is 6 × 10¹⁴ Hz, then find its wavelength.
[Take, speed of light, c = 3 × 108 m/s]

Two disc having mass ratio \(\frac{1}{2}\) and diameter ratio \(\frac{2}{1}\) then find the ratio of moment of inertia

In YDSE angular fringe width is 0.1 rad wavelength of light used is 6000 Å, find the distance between 2 slits

If a object starts from rest and cover angles of 60 rad in 10 sec in circular motion magnitude angular acceleration will be

Find the average velocity when a particle complete the circle of radius 1m in 10 sec

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 circuit contains 2 resistance R₁ and R₂ in series. Find the ratio of input voltage to voltage of R₂

Find the correct diagram of electric field lines of forces for negative charges -

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

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 three objects are thrown with velocities \(\sqrt{\frac{2gH}{2}},\sqrt{2gh},\sqrt{\frac{gH}{3}}\), then the ratio of maximum heights

One rod of length 2 m and thermal conductivity 50 unit is attached to another rod of length 1 m and thermal conductivity 100 unit. Temperature of free ends are 70°C and 50°C respectively. Then temperature of junction point will be

One object of mass 20 kg is moving with the speed of 10 m/s is west direct another object of mass 10 kg is moving with 15 m/s in north direction. Both collide and stick together choose the correct alternative

In β⁺ emission what happens to upquarks

B-122 has half life of 2 minutes experiment has to be done using Ba-122 and it take 10 minutes the setup the experiments if initially 80 gm of Ba-122 was taken how much Ba was left when experiment was started

Find the value of θ = ?

Find the position of final image from first lens focal length of each lens is 10 cm

If velocity of light in the air is C then what will be the velocity of light in medium of refractive index 1.4 ?