List of top Physics Questions

If accelerating voltage of X-ray tube is 13 kV find minimum wavelength of X-ray,
Which of the following represents isotope, isobar isotones respectively ?
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 capacitor has capacitance 2F. plate separation 0.5 cm then area of plate
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 :-
Pressure in non uniform cross section wire will be least at
For a permanent magnet, properties of material should be
VP - VQ = ?
Electric circuit
Find a capacitance
Electric circuit
If compressibility of material is 4 × 10-5 per atm, pressure is 100 atm and volume 100 cm3 find a ΔV =
A real object is on principle axis of concave mirror of focal length 2m object distance from pole is 8m. Find image distance.
Velocity is given by v = 4t(1 - 2t) then find time at which velocity is maximum
Two parallel wire carries current I1 and I2 are separated by distance d. Force per unit length of wire is F. Then :
Find pressure on swimmer at a depth of 10 m in water
A missile is fired at 30° angle from horizontal with 90 m/s find time of flight
A particle is thrown vertically up with speed 6m/s find maximum height achieved
For uranium nucleus. Find relation between mass and volume
If point charges Q1 = 2 × 10-7 C and Q2 = 3×10-7 C are at 30 cm separation. Find electrostatic force them.
If in isothermal process Δw work is done by gas, then choose incorrect
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 current in inductor of 5 mH varying as I = t2.e-2t then find time after which voltage drop across inductor become zero.
A vernier least count 0.1 mm percentage error in volume of cube of side 30 mm.
Dimension of force is