List of top Physics Questions

The mismatch between the physical quantity and the dimensional formula in the following is
A particle moves along a semi circular path of radius $r$ in time $t$ with constant speed, then its
A hanging rope can withstand a tension of 750 N. The minimum acceleration for a man of 50 kg to climb up without breaking the rope is $(g=10\text{ ms}^{-2})$
If the area under the graph between the force on an object and time is 20 units, then the object experiences
If a ball is thrown horizontally with a velocity of $10\text{ ms}^{-1}$ from the tower of height 45 m, then it strikes the ground at a distance of $(g=10\text{ ms}^{-2})$
Of the given numbers,
(1) 25300
(2) 5.600
(3) 0.07200
the number of significant figures for
Heat supplied to a block of ice at \(0^{\circ}C\) converts it into steam at \(100^{\circ}C\). The curve that represents this change of state is.
If the voltage applied to a diode having forward bias resistance of 1 $\Omega$ is changed from 0.6 V to 0.9 V, the change in current in it is
The expected mass of \({}^{12}_{6}C\) nucleus is (Mass of neutron is 1.00866 u; Mass of proton is 1.00727 u).
If an emf of 2 V is induced in a coil in 6 s, then the change of flux (in Wb) in the coil during the time is
Among the following magnetic materials, the diamagnetic material is
In a cyclotron, the frequency of revolution of a charged particle of energy E moving in a magnetic field is f. If the energy of the charged particle in it is doubled, then the frequency of revolution of the charged particle is
5 thin lenses each of 20 cm focal length are placed in contact with each other. The net power of this lens combination is
If the force due to sun's radiation on surface area of \(cm^{2}\) is about \(9 \times 10^{-9} N\), then the radiation pressure of the sun's radiation (in \(Nm^{-2}\)) is.
In Young's double slit experiment, monochromatic light of 500 nm falls on the slits separated by a distance of 2 mm. If the screen is 2 m away from the source, then the fringe width is
An organ pipe open at both the ends has its fundamental frequency 200 Hz. If one end of it is closed and the other end is kept open, the frequencies produced by it are
The drift velocity of electrons in a linear conductor of given length under a potential can be doubled by
When an electric potential of 200 V is maintained between the ends of a conductor, a current of 3 A flows through it. The amount of heat energy dissipated in the time interval 25 s is
When filled with a dielectric, the capacitance C of a capacitor changes by 2C. Then the dielectric constant of the dielectric is
If the potential difference between two points separated by a distance in a uniform electric field of 800 \(NC^{-1}\) is 16 V, then the distance of separation (in cm) is.
Two different syringes having radii in the ratio 1: 5 are applied with same pressure. The forces acting on these syringes are in the ratio
The displacement and acceleration of a particle oscillating simple harmonically are respectively 3.0 m and \(48.0 \, ms^{-2}\). The angular frequency of the particle is (in \(s^{-1}\)).
If the diatomic molecule is non-rigid, then its molar specific heat capacity at constant volume is
Which one is INCORRECT?
When two perpendicular forces 3 N and 4 N act on a body at rest, it is accelerated to \(2 \, ms^{-2}\). The mass of the body is.