List of top Physics Questions asked in NEET (UG)

A coil in the shape of an equilateral triangle of side l is suspended between the pole pieces of a permanent magnet such that $\vec{B}$ is in plane of the coil. If due to a current i in the triangle a torque $ \tau $ acts on it, the side l of the triangle is
A force $F$ acting on an object varies with distance $x$ as shown in the figure. The force is in $N$ and $x$ in $m$. The work done by the force in moving the obiect from $x=0$ to $x = 6 \,m$ is
In any fission process the ratio (mass of fission products/mass of parent nucleus) is :
In a p-n junction photo cell, the value of the photo-electromotive force produced by monochromatic light is proportional to
Two boys are standing at the ends A and B of a ground where AB = a. The boy at B starts running in a direction perpendicular to AB with velocity $v_1$. The boy at A starts running simultaneously with velocity v and catches the other in a time t, where t is
A bomb of mass 30kg at rest explodes into two pieces of masses 18kg and 12kg. The velocity of 18kg mass is 6ms-1. The kinetic energy of the other mass is
The circular motion of a particle with constant speed is:
Two vibrating tuning forks produce progressive waves given by y1=4 sin 500 \(\pi\)t and y2 =2 sin 506 \(\pi\)t. Number of beats produced per minute is:
Application of a forward bias to a p-n junction:
Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet is g', then :

A drum of radius R and mass M, rolls down without slipping along an inclined plane of angle \(\theta\) .The frictional force 

For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is :
The total energy of an electron in the first excited state of hydrogen is about -3.4eV. Its kinetic energy in this state is:
The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc and normal to the disc is:
Choose the only false statement from the following
Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momentum will be in the ratio:
Two boys are standing at the ends A and B of a ground, where AB=a. The boy at B starts running in a direction perpendicular to AB with velocity v1. The boy at A starts running simultaneously with velocity v and catches the other boy in a time t, where t is :
Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy band gaps represented by (Eg)C , (Eg)Si  and (Eg)Ge  respectively. Which one of the following relationships is true in their case?
A stone tied to the end of a string of 1m long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolutions in 44s, what is the magnitude and direction of acceleration of the stone?
A particle executing simple harmonic motion of amplitude 5 cm has maximum speed of 31.4 cm/s. The frequency of its oscillation is:
Energy levels A,B and C of a certain atom correspond to increasing values of energy i.e., EA<EB<EC. If \(\lambda_1,\lambda_2\) and \(\lambda_3\) are wavelengths of radiations corresponding to transitions C to B,B to A and C to A respectively, which of the following relations is correct ?

Two charges q1 and q2 are placed 30 cm apart, as shown in the figure. A third charge q3 is moved along the arc of a circle of radius 40 cm from C to D. The change in the potential energy of the system is\(\bigg(\frac{q_3}{4\pi\in_0}\bigg)k\),where k is:

wo charges q1 and q2 are placed 30 cm apart
Resistance $n$, each of $r$ ohm, when connected in parallel give an equivalent resistance of $R$ ohm. If these resistances were connected in series, the combination would have a resistance in ohms, equal to

The magnetic flux through a circuit of resistance R changes by an amount Δϕ in a time Δt. Then the total quantity of electric charge Q that passes any point in the circuit during the time Δt is represented by

A telescope has an objective lens of $10 \,cm$ diameter and is situated at a distance of one kilometre from two objects. The minimum distance between these two objects, which can be resolved by the telescope, when the mean wavelength of light is 5000, $\mathring{A}$ is of the order of