NEET (UG) entrance exam Question Bank Solutions

Clouds float in the air due to ______.

Select the correct statement.

The wave nature of electrons was experimentally verified by,

A mass m is suspended from a rigid support P by means of a massless string as shown in figure. A horizontal force F is applied at point O of the rope. The system is in equilibrium when the string makes an angle θ with the vertical. Then the relation between the tension T, force F and angle θ is P

A spring of negligible mass and force constant 5 Nm^–1 is compressed by a distance x = 5 cm. A block of mass 200 g is free to leave the end of the spring. If the system is released, what will be the speed of the block when it leaves the spring?

Four bodies of masses 2 kg, 3 kg, 4 kg and 5 kg are placed at points A, B, C, and D respectively of a square ABCD of side 1 metre. The radius of gyration of the system about an axis passing through A and perpendicular to plane is

Which one of the following is not the advantage of LED?

Choose the INCORRECT statement about geostationary satellite.

The difference between the apparent frequency of a stationary source of sound as perceived by the observer during its approach and recession is 2% of the frequency of the source. If the speed of sound in air is 300 ms^–1, then the velocity of the observer is

A wheel of mass 15 kg has a moment of inertia of 200 kg-m² about its own axis, the radius of gyration will be:

An average induced emf of 0.20 V appears in a coil when the current in it is changed from 5A in one direction to 5A in the opposite direction in 0.20 sec. Find the self induction of the coil.

The specific resistance of all the metals is the most affected by ______

Consider an ideal gas at pressure P, volume V and temperature T. The mean free path for molecules of the gas is L. If the radius of gas molecules, as well as pressure, volume and temperature of the gas are doubled, then the mean free path will be: 

The cyclotron was designed by ______

No heat flows between systems and surroundings, then the process is ______.

In Davisson and Germer experiment maximum intensity is observed at ______.

If M is the atomic mass and A is the mass number, then packing fraction is given by ______.

For a point on the equatorial line of a bar magnet, the direction of B is from ______

A bandwidth of 6 MHz is available for AM transmission. If the maximum audio signal frequency used for modulating the carrier is not to be exceeds 64 KHz. How many stations can be broadcast within this band simultaneously without interfering with each other?

The self-inductance depends upon ______.