List of top Physics Questions

A prism of crown glass with refracting angle of 5° and mean refractive index 1.51 is combined with a flint glass prism of refractive index 1.65 to produce no deviation. Find the angle of flint glass.

A mass of \(Hg\) is executing SHM which is given by \(x=6.0 cos(100t+\frac \pi4)\) cm. What is the maximum kinetic energy?

A uniform rod of mass \(m\) and length \(l_0\) is pivoted at one end and is hanging in the vertical direction. The period of small angular oscillations of the rod is

A ball is thrown upwards with a speed \(u\) from a height \(h\) above the ground.The time taken by the ball to hit the ground is

A Carnot engine absorbs \(6\times10^5\) cal at 227°C. The work done per cycle by the engine, if its sink is maintained at 127°C is

If minimum deviation is 30°, then speed of light in shown prism will be

A mass M is hung with a light inextensible string as shown in the figure. Find the tension of the horizontal string.

A box of mass 8 kg is placed on a rough inclined plane of inclination 30°. Its downward motion can be prevented by applying a horizontal force F, then value of F for which friction between the block and the incline surface is minimum, is

Find \(V_P-V_Q\) in the circuit shown in figure.

1000 N force is required to lift a hook and 10000 N force is requires to lift a load slowly. Find power required to lift hook with load with speed v = 0.5 m/s.

If compressibility of material is \(4×10^{-5}\) per atm, pressure is 100 atm and volume is 100 cm³, then find △V=?

If a capacitor having capacitance \(2F\) and plate separation of \(0.5\ cm\) will have area:

Find the capacitance in shown figure

If speed of sound in air is 340 m/s and in water is 1480 m/s. If frequency of sound is 1000 kHz, then find wavelength in water.

The efficiency of an ideal gas with adiabatic exponent γ for the shown cyclic process would be

Velocity is given by \(v=4t(1-2t)\), then find time at which velocity is maximum.

Find current (i) in circuit shown in figure.

Find R_net between A and B.

Dimension of force is:

If point charges \(Q_1=2×10^{-7}C\) and \(Q_2=3×10^{-7}C\) are at 30 cm separation, then find electrostatic force between them

In a LC circuit angular frequency at resonance is ω. What will be the new angular frequency when inductor's inductance is made 2 times and capacitance is made 4 times?

\(e^-\) revolving with speed V is producing magnetic field B at center. Find relation between radius of path, B & V?

A regular hexagon of side a. A wire of length 24a is oiled on that hexagon. If current in hexagon is I then find the magnetic moment.

The magnetic moment of an electron orbiting in a circulate orbit of radius r with a speed v is equal to

A disc of moment of inertia 2 kg m² revolving with 8 radian/sec, is placed on another disc of moment of inertia 4 kg m² revolving 4 radian/sec. What is the angular frequency of composite disc?