List of top Physics Questions asked in NEET (UG)

A vehicle, with a horn of frequency n is moving with a velocity of 30 m/s in a direction perpendicular to the straight line joining the observer and the vehicle. The observer perceives the sound to have a frequency $n+n_1$. Then (if the sound velocity in air is 300 m/s)
A standing wave having 3 nodes and 2 antinodes is formed between two atoms having a distance $1.21$ $�$ between them. The wavelength of the standing wave is
Two simple pendulums of length 5 m and 20 m respectively are given small linear displacement in one direction at the same time. They will again be in the phase when the pendulum of shorter length has completed - oscillations.
If a car at rest accelerates uniformly to a speed of 144 km/hour in 20 second it covers a distance of
The current in the following circuit is
The position x of a particle varies with time, (t) as $x = at^2 - bt^3.$ The acceleration will be zero at time t is equal to
A couple produces
A metal ball of mass 2 kg moving with speed of 36 km/h has a head on collision with a stationary ball of mass 3 kg. If after collision, both the balls move as a single mass, then the loss in K.E. due to collision is
An astronomical telescope of tenfold angular magnification has a length of 44 cm. The focal length of the objective is
An electromagnetic radiation of frequency n, wavelength $\lambda $, travelling with velocity v in air, enters a glass slab of refractive index \mu . The frequency, wavelength and velocity of light in the glass slab will be respectively
Due to earth's magnetic field, the charged cosmic rays particles
Identify the vector quantity among the following
If $ {\varepsilon}_0 $ and $ {\mu}_0 $ are the electric permittivity and magnetic permeability in a free space, $ \varepsilon $ and $\mu $ are the corresponding quantities in medium, the index and refraction of the medium is
Standing waves are produced in $10\, m$ long stretched string. If the string vibrates in $5$ segments and wave velocity is $20\,m/s$, its frequency is
Tesla is the unit of
The most penetrating radiation out of the following are
Two parallel wires in free space are 10 cm apart and each carries a current of 10 A in the same direction. The force exerted by one wire on the other, per metre length is
Which of the following statement is correct?
Kirchhoff's first law, i.e. $\sum i =0$ at a junction, deals with the conservation of
One kilowatt hour is equal to
The primary winding of a transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an A.C. supply 20 V, 50 Hz. The secondary will have an output of
In an a.c. circuit with phase voltage V and current I, the power dissipated is
The period of revolution of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun?
When hydrogen atom is in its first excited level, its radius, is
The escape velocity of a body on the surface of the earth is $11.2\, km/s^{-1}$. If the earth's mass increases to twice its present value and radius of the earth becomes half, the escape velocity becomes