List of top Physics Questions

Resonance frequency of LCR series a.c. circuit is f₀. Now the capacitance is made 4 times, then the new resonance frequency will become.

If \(\vec{E}\) and \(\vec{B}\) represent electric and magnetic field vectors of the electromagnetic waves, then the direction of propagation of the waves will be along

A graph is plotted with PV/T on y-axis and mass of the along x-axis for different gases. The graph is

A Cylinder rolls down an inclined plane of inclination 30°, the acceleration of cylinder is

For nuclear reaction, select correct statement for released energy

If minimum deviation = 30° then speed of light in prism

Density of sea water is more than that of fresh water then for a boat floating. What will be true

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/sec

What is the ratio of speed of wave in medium 1 and 2 ?

A mass of 200 gm has initial velocity \(v_i = 2\hat{i}+3\hat{j}\) and final velocity \(v_f=-2\hat{i}-3\hat{j}\) find magnitude of change in momentum

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

A spring of spring constant k is cut into 3 equal part find k of each

Loudness of sound defines on

If accelerating voltage of X-ray tube is 13 kV find minimum wavelength of X-ray,

Fermer bone has base n average cross section area 100 cm² supporting mass of 40 kg of man find average pressure

A nuclear of mass number A emits a particle speed of a particle is v then what is recoil speed of nuclease.

If 2 wire of length L1 and L2 and Young's modulus Y₁ and Y₂ are in series then effective Young's modulus is

A positive charge particle is released in electric field in case (a) it is just released and in case (b) it has initial speed v₀ along electric field. If after sometime its kinetic energy in case (a) and (b) are k₁ and k₂ then,

Which of the following represents isotope, isobar isotones respectively ?

Two wave in string have same velocity. If linear mass density of string are μ₁ = 5, μ₂ = 20 T₁ = 40 then , T₂ = ?

Pressure in non uniform cross section wire will be least at

For a permanent magnet, properties of material should be

Two concentric circular coil of radius 20 cm and 30 cm carries current 2A and 3A respectively in opposite direction then magnetic field at centre will be :-

V_P - V_Q = ?

A capacitor has capacitance 2F. plate separation 0.5 cm then area of plate