List of top Physics Questions asked in NEET (UG)

Two identical batteries each of e.m.f 2 V and internal resistance $1\, \Omega$ are available to produce heat in an external resitance by passing a current through it. The maximum power that can be developed across R using these batteries is
An inductor may store energy in
A radio transmitter operates at a frequency 880 kHz and a power of 10 kW. The number of photons emitted per second is
A $600\, kg$ rocket is set for a vertical fring. If the exhaust speed is $1000 \,ms^{-1}$ the mass of the gas ejected per second to supply the thrust needed to overcome the weight of rocket is
Velocity of sound waves in air is 330 m/s. For a particular sound wave in air, a path difference of 40 cm is equivalent to phase difference of $1.6\, \pi$. The frequency of this wave
In which of the following, emission of electrons does not take place
The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of $\pi$ results in the displacement of the particle along
The magnetic induction at a point P which is at the distance of 4 cm from a long current carrying wire is $ 10^{-3}$ T. The field of induction at a distance 12 cm from the current will be
In the network shown in figure each resistance is $1\, \Omega.$ The effective resistance between A and B is
How much water a pump of 2 kW can raise in one minute to a height of 10 m? (take g = 10 m/s$^2$)
You are given several identical resistances each of value $R=10\, \Omega$ and each capable of carrying a maximum current of one ampere. It is required to make a suitable combination of these resistances of $5\, \Omega$ which can carry a current of 4 ampere. The minimum number of resistances of the type R that will be required for this job is
A mass m is suspended from the two coupled springs connected in series. The force constant for springs are $ k_1 $ and $ k_2$. The time period of the suspended mass will be
A car covers the first half of the distance between two places at 40 km/h and another half at 60 km/h. The average speed of the car is
The frequency of vibration $f$ of a mass $m$ suspended from a spring of spring constant $k$ is given by a relation $f = am^x k^y$, where $a$ is a dimensionless constant. The values of $x$ and $y$ are
A planet is moving in an elliptical orbit around the sun. If T, V, E and L stand respectively for its kinetic energy, gravitational potential energy, total energy and magnitude of angular momentum about the centre of force, which of the following is correct ?
The atomic number of silicon is 14. Its ground state electron configuration is
What will be the ratio of the distance moved by a freely falling body from rest in $4^{th}$ and $5^{th}$ seconds of journey ?
A current of 2 A, passing through a conductor produces 80 J of heat in 10 seconds. The resistance of the conductor in ohm is
250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3m, the efficiency of pulley system will be : -
Which of the following electromagnetic radiations have the longest wavelength ?
A black body has maximum wavelength 1 m at 2000 K. Its corresponding wavelength at 3000 K will be
A batsman hits back a ball straight in the direction of the bowler without changing its initial speed of $12 ms^{-1}$. If the mass of the ball is 0.15 kg, the imparted to the ball is
The average binding energy of a nucleon inside an atomic nucleus is about
The de Broglie wave corresponding to a particle of mass m and velocity v has a wavelength associated with it
If the amplitude of sound is doubled and the frequency reduced to one fourth, the intensity of sound at the same point will be