List of top Physics Questions

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

Loudness of sound defines on

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

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

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

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

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

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,

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

Which of the following represents isotope, isobar isotones respectively ?

Pressure in non uniform cross section wire will be least at

For a permanent magnet, properties of material should be

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

V_P - V_Q = ?

A particle performing SHM for maximum speed 50 m/s so and maximum acceleration = 100 m/s² then time period of SHM ?

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 :-

A real object is on principle axis of concave mirror of focal length 2m object distance from pole is 8m. Find image distance.

If compressibility of material is 4 × 10^-5 per atm, pressure is 100 atm and volume 100 cm³ find a ΔV =

Find pressure on swimmer at a depth of 10 m in water

Two parallel wire carries current I₁ and I₂ are separated by distance d. Force per unit length of wire is F. Then :

Find a capacitance

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

Two identical capillary tube are tilted in liquid with 45° and 60° from vertical find ratio of length of fluid in capillary