List of top Physics Questions asked in NEET (UG)

Heat is flowing through two cylindrical rods of the same material. The diameters of the rods are in the ratio 1 : 2 and the lengths in the ratio 2 : 1. If the temperature difference between the ends is same, then ratio of the rate of flow of heat through them will be
In the network shown in the figure, each of the resistance is equal to $2\, \Omega.$ The resistance between the points A and B is
The ABC is a triangular plate of uniform thickness. The sides are in the ratio shown in the figure. I$_{AB}$, I$_{BC}$ and I$_{CA}$ are the moments of inertia of the plate about AB, BC and CA respectively. Which one of the following relations one is correct ?
The acceleration of a particle is increasing linearly with time $t$ as $bt$. The particle starts from origin with an initial velocity $v_0$. The distance travelled by the particle in time t will be
The angular speed of a flywheel making 120 revolutions/minute is
The count rate of a Geiger Muller counter for the radiation of a radioactive material of half-life of 30 minutes decreases to 5 second$^{-1}$ after 2 hours. The initial count rate was
The dimensions of pressure are same as that of
The dimensions of $RC$ is
The earth (mass = $ 6 \times {10}^{24} $ kg) revolves around the sun with an angular velocity of $ 2 \times {10}^{-7} rad/s$ in a circular orbit of radius $ 1.5 \times {10}^8 km$. The force exerted by the sun on the earth, in newton, is
The mass number of He is 4 and that of sulphur is 32. The radius of sulphur nucleus is larger than that of helium by the factor of
Two wires of the same metal have same length, but their cross-sections are in the ratio 3 : 1. They are joined in series. The resistance of thicker wire is $10\, \Omega.$ The total resistance of the combination will be
Half-life for radioactive $^{14}C$ is 5760 yr. In how many years, 200 mg of $^{14}C$ will be reduced to 25 mg?
When the key K is pressed at time t = 0, then which of the following statement about the current I in the resistor AB of the given circuit is true?
Percentage error in the measurement of mass and speed are $2\%$ and $3\%$ respectively. The error in the estimation of kinetic energy obtained by measuring mass and speed will be
The displacement-time graph of a moving particle is shown below. The instantaneous velocity of the particle is negative at the point
Two identical balls $A$ and $B$ having velocities of $0.5\, m / s$ and $-0.3\, m / s$ respectively collide elastically in one dimension. The velocities of $B$ and $A$ after the collision respectively will be -
The electric and magnetic field of an electromagnetic wave are
A body of mass 5 kg hangs from a spring and oscillates with a time period of $2\pi$ seconds. If the ball is removed, the length of the spring will decrease by

A particle executes S.H.M. along x-axis. The force acting on it is given by (A, k>0)

A loaded vertical spring executes S.H.M. with a time period of 4 sec. The difference between the kinetic energy and potential energy of this system varies with a period of
A body, constrained to move in y-direction, is subjected to a force given by $\overrightarrow{F} = (-2\widehat{i}+15\widehat{j}+6\widehat{k})$N The work done by this force in moving the body through a distance of 10$\widehat{j}$ m along y-axis, is
The kinetic energy acquired by a mass m in travelling distance d, starting from rest, under the action of a constant force is directly proportional to
A position dependent force, F = (7 - 2x + 3x$^2$) N acts on a small body of mass 2 kg and displaces it from x = 0 to x = 5 m. The work done in joule is
When a body moves with a constant speed along a circle
The distance of two planets from the sun are $ {10}^{13}$ m and $ {10}^{12}$ m respectively. The ratio of time periods of the planets is