List of top Physics Questions asked in NEET (UG)

In an ammeter 0.2% of main current passes through the galvanometer. If resistance of galvanometer is $G$, the resistance of ammeter will be

A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis . A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions $ s^ {-2} $ is

A body of mass $(4m)$ is lying in $x-y$ plane at rest. It suddenly explodes into three pieces. Two pieces, each of mass $(m)$ move perpendicular to each other with equal speeds $(v)$. The total kinetic energy generated due to explosion is

Two pith balls carrying equal charges are suspended from a common point by strings of equal length, the equilibrium separation between them is 7. Now the strings are rigidly clamped at half the height. The equilibrium separation between the balls now become

A small object of uniform density rolls up a curved surface with an initial velocity . It reaches up to a maximum height of $\frac{3v^2}{4g}$with respect to the initial position. The object is

During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its temperature. The ratio of Cp/Cv for the gas is

The wavelength $λ_e$ of an electron and $λ_p$ of a photon of same energy E are related by

A source of unknown frequency gives 4 beats/s, when sounded with a source of known frequency 250 Hz. The second harmonic of the source of unknown frequency gives five beats per second, when sounded with a source of frequency 513 Hz. The unknown frequency is

A gas is taken through the cycle A⇢B⇢C⇢A ,as shown. What is the net work done by the gas?

A wave travelling in the +ve x-direction having displacement along y-direction as 1 m, wavelength 2π in and frequency of $\frac1{π}$Hz is represented by

A, B and C are three points in a uniform electric field. The electric potential is

A body of mass w taken from the earth's surface to the height equal to twice the radius (R) of the earth. The change in potential energy of body will be

For a normal eye, the cornea of eye provides a converging power of 40 D and the least converging power of the eye lens behind the comes is 20 D. Using this information, the distance between the retina and the comea-eye lens can be estimated to be

The condition under which a microwave oven heats up a food item containing water molecules most efficiently is

A current loop in a magnetic field

A wire of resistance 4Ω is stretched to twice its original length. The resistance of stretched wire would be

In an experiment four quantities a, b, c and d are measured with percentage error 1%, 2%, 3% and 4% respectively. Quantity P is calculated as follows: P= $\frac{a^3 b^2}{cd}$ % error in P is

If we study the vibration of a pipe open at both ends, then the following statement is not true

In Young's double slit experiment, the slits are 2 mm apart and are illuminated by photons of two wavelengths, $λ_1$ =12000 Å and $λ_2$= 10000 Å. At what minimum distance from the common central bright fringe on the screen 2 m from the slit will a bright fringe from one interference patter coincide with a bright fringe from the other?

A uniform force of $(3\hat{i}+\hat{j}) $newton acts on a particle of mass 2 kg. Hence the particle is displaced from position $(2\hat{i}+\hat{k})$ metre to position $(4\hat{i}+3\hat{j}-\hat{k})$ metre. The work done by the force on the particle is

The reddish appearance of the sun at sunrise and sunset is due to

The output (X) of the logic circuit shown in figure will be

The wettability of a surface by a liquid depends primarily on

Infinite number of bodies, each of mass 2 kg are situated on x-axis at distance 1 m, 2 m, 4 m, 8 m respectively, from the origin. The resulting gravitational potential due to this system at the origin will be

A wire loop is rotated in a magnetic field. The frequency of change of direction of the induced