List of top Physics Questions

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 = ?
Which of the following represents isotope, isobar isotones respectively ?
For a permanent magnet, properties of material should be
A capacitor has capacitance 2F. plate separation 0.5 cm then area of plate
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 :-
VP - VQ = ?
Electric circuit
Pressure in non uniform cross section wire will be least at
Two parallel wire carries current I1 and I2 are separated by distance d. Force per unit length of wire is F. Then :
A real object is on principle axis of concave mirror of focal length 2m object distance from pole is 8m. Find image distance.
Find pressure on swimmer at a depth of 10 m in water
Velocity is given by v = 4t(1 - 2t) then find time at which velocity is maximum
If compressibility of material is 4 × 10-5 per atm, pressure is 100 atm and volume 100 cm3 find a ΔV =
Find a capacitance
Electric circuit
Two identical capillary tube are tilted in liquid with 45° and 60° from vertical find ratio of length of fluid in capillary
A missile is fired at 30° angle from horizontal with 90 m/s find time of flight
For uranium nucleus. Find relation between mass and volume
A particle is thrown vertically up with speed 6m/s find maximum height achieved
If in isothermal process Δw work is done by gas, then choose incorrect
If 2 bubble of radius r1 & r2 are combined then find radius of common surface
In YDSE S1 and S2 has intensity I and 9I. Find difference in intensity b/w point which has phase difference of π/2 and π.
In YDSE if white light is used then.
If a machine perform 4000 J output work and 1000 J is inside loss due to friction find efficiency = ?
If point charges Q1 = 2 × 10-7 C and Q2 = 3×10-7 C are at 30 cm separation. Find electrostatic force them.