List of top Physics Questions

What is the ratio of escape velocity to orbital velocity?
Kinetic energy of a particle of mass \( 1 \times 10^{31} \, \text{kg} \) and wavelength 63 nm (where \( h = 6.3 \times 10^{-34} \, \text{Js} \))
On an average, the number of neutrons and the energy of a neutron released per fission of a uranium atom are respectively
Two strings of the same material and same length are given equal tension. If they are vibrating with fundamental frequencies \( 1600 \text{ Hz} \) and \( 900 \text{ Hz} \), then the ratio of their respective diameters is
The semi-major axis of the orbit of Saturn is approximately nine times that of Earth. The time period of revolution of Saturn is approximately equal to
Water is flowing through a tube of radius r at constant velocity with power P. What happens to power when radius of the tube doubled?
Pressure of liquid inside a vessel depends on?
In an AC circuit, R = 2$\pi^2\Omega$, L = 0.02$\pi$H and is powered by an AC voltage of frequency 50 Hz. Find impedance of the circuit ?
Find velocity of em wave in terms of C if $\epsilon_r$ = 4 and $\mu_r$ = 1.
Light of wavelength 500 nm falls on a single slit of width 0.1 mm. Angular position of 1st minimum is
Angular velocity of geostationary satellite is (in rad hr$^{-1}$).
Find the ratio of moment of inertia of ring to disc, about an axis passing through its centre?
Electric flux through a closed surface depends on
A particle executes SHM with time period T. If acceleration is doubled keeping amplitudes constant, new time period is
Capacitance of an air filled parallel plate capacitor is C. Find capacitance when a dielectric of dielectric constant K is field in it.
Stopping potential is given by 1.8 eV, then what will be the maximum kinetic energy of photoelectrons?
In v-t graph, if graph cuts time axis what does it indicate?
If a conductor of length 1 m carrying a current of 2 A is placed in a field of 0.2 T. What will be the force acting on it?
Find new resistivity when radius doubles and length reduces by half of its original resistivity is $\rho$.
2A of current is flowing through a wire of length 1 m. What is the amount of charge passing through it in 1 min?
The position of a particle is given by x = at + bt$^{3/2$ where a and b are constants and t is the time. Then dimension of $\frac{b}{a}$ is?}
A particle is subjected to a force F = 3x$^2$. Calculate the work done in moving with particle from x=0 to x = 2 m.
When an iron ball is moving through a fluid, its terminal velocity is proportional to
A nucleus has a mass number of 56 and a binding energy per nucleon of 8.8 MeV, the total B.E is?
If m and 2m are two masses separated by a distance of 1 m are attracted by gravitational force. Then the acceleration of their centre of mass is?