List of top Physics Questions

The current that has to pass through a single circular loop of radius 10 cm to produce a magnetic field of \(\mu_0\) tesla at its centre is

In an electric circuit, if 2A , 5 A and 4 A are the currents entering a junction and Ix , 2A and 3A are the currents leaving the junction, then the current value Ix is

In a transformer circuit it is possible to

As temperature increases, at Curie temperature

When a tuning fork of frequency 256 Hz is sounded together with unknown tuning fork, 4 beats are heard in one second. The frequency of the unknown tuning fork can be

The magnitude and direction of acceleration change in the case of an object

If \(C_v\) is the specific heat capacity at constant volume of a gas, then the amount of heat required to increase the temperature of 2 moles of the gas from \(27^\circ\text{C}\) to \(127^\circ\text{C}\) at constant volume is

An isolated capacitor of capacitance 100 \(\mu\)F is charged to 32 C. If 16 C of charge is discharged from it, then its capacitance value is

If n electrons from a neutral solid sphere are transferred to another solid sphere having m electrons (m $>$ n), then the charges on the respective spheres are (e = charge of an electron)

The INCORRECT assumption in the kinetic theory of gases is

If a ring of mass 50 g and radius 2cm is rolling on a smooth horizontal platform with its centre of mass moving with a speed of 50 cms\(^{-1}\), then its total energy is

If a body at rest undergoes displacement under the action of force with constant acceleration, then the power delivered by the force at any time t is proportional to

The ratio of the escape velocities from the surface of two planets having densities and radii in the ratio 2 : 1 and 1 : 2 respectively is

If a cylinder is stretched by two equal forces applied normal to its cross-section, then the restoring force per unit area is called

If the gauge pressure at a point well inside a liquid of density \(\rho\) in a tank is \(p\), then the depth of the point from the surface of the liquid is (atmospheric pressure is P)

A couple produces a

Which one of the following physical quantities has dimensions?

A cyclist speeding at a velocity \(v\) on a level road takes a sharp circular turn of radius R. If \(\mu\) is the static friction between the tyres and road, then the condition for the cyclist not to slip is

If a body starts from rest and moves with constant acceleration of 2 ms\(^{-2}\), then the distance covered between the time intervals 5 s and 6 s is

FALSE statement about third law of motion is

A bus covers half of the total distance with a speed of 30 kmh\(^{-1}\) and other half with a speed of 60 kmh\(^{-1}\). The average speed during the total journey is

If \(\vec{F}\) and \(\vec{S}\) represent the applied force and displacement of an object, then the work done is