NEET questions
18092 published questions with worked solutions.
- A particle moves in a straight line with a constant acceleration. It changes its velocity from 10 ms ^ -1 to 20 ms ^ -1 while...
- A particle of mass m is projected with velocity v making an angle of 45^ with the horizontal. When the particle lands on the...
- Sand is being dropped on a conveyor belt at the rate of M kg/s. The force necessary to keep the belt moving with a constant...
- A shell of mass 200 gm is ejected from a gun of mass 4 kg by an explosion that generates 1.05 kJ of energy. The initial velocity...
- The ratio of the radii of gyration of a circular disc to that of a circular ring, each of same mass and radius, around their...
- A thin rod of length L and mass M is bent at its midpoint into two halves so that the angle between them is 90^ . The moment of...
- A roller coaster is designed such that riders experience "weightlessness" as they go round the top of a hill whose radius of...
- If Q, E and W denote respectively the heat added, change in internal energy and the work done in a closed cycle process, then
- On a new scale of temperature (which is linear) and called the W scale, the freezing and boiling points of water are 39^ W and...
- At 10^ C the value of the density of a fixed mass of an ideal gas divided by its pressure is x. At 110^ C this ratio is
- The wave described by y = 0.25 (10 x - 2 t), where x and y are in meters and t in seconds, is a wave travelling along the
- A point performs simple harmonic oscillation of period T and the equation of motion is given by x = a ( t + /6). After the elapse...
- Two points are located at a distance of 10 m and 15 m from the source of oscillation. The period of oscillation is 0.05 sec and...
- The velocity of electromagnetic radiation in a medium of permittivity _0 and permeability _0 is given by
- Two periodic waves of intensities I_1 and I_2 pass through a region at the same time in the same direction. The sum of the...
- Two thin lenses of focal lengths f_1 and f_2 are in contact and coaxial. The power of the combinations is
- A boy is trying to start a fire by focusing Sunlight on a piece of paper using an equiconvex lens of focal length 10 cm. The...
- The electric potential at a point in free space due to a charge Q coulomb is Q 10^ 11 volts. The electric field at that point is
- A wire of a certain material is stretched slowly by ten per cent. Its new resistance and specific resistance become respectively
- An electric kettle takes 4 A current at 220 V. How much time will it take to boil 1 kg of water from temperature 20^ C ? The...