NEET (UG) entrance exam Question Bank Solutions for Physics

Walking of a person on the road is an example of

The ratio of adiabatic bulk modulus and isothermal bulk modulus of gas is `("where"  γ = "C"_"P"/"C"_"V")`

When a beam of plane polarised light is incident on an analyser, the intensity of light transmitted from analyser varies directly as square of cosine of angle between the planes of transmission of analyser and polariser is given by ______.

If E and p are the energy and the momentum of a photon respectively, then on reducing the wavelength of photon

In the following atoms and molecules for the transition from n = 2 to n = 1, the spectral line of minimum wavelength will be produced by

A 1.5 kg block is initially at rest on a horizontal frictionless surface when a horizontal force in the positive direction of X-axis is applied to the block. The force is given by `vecF = (4 - x^2) hati` N, where x is in metre and the initial position of the block is x = 0. The maximum kinetic energy of the block between x = 0 and x = 2.0 m is

The device which uses centre-tapped secondary of the transformer is

The process in which frequency of carrier wave changes with the instantaneous value of the modulated signal is ______.

Two particles P and Q describe simple harmonic motions of same amplitude a, frequency v along the same straight line. The maximum distance between the two particles is a`sqrt(2)`. The initial phase difference between the particles is

Two wires of same material are vibrating under the same tension. If the first overtone of first wire is equal to the second overtone of second wire and radius of first wire is twice the radius of the second then the ratio of length of first wire to second wire is

When heat is given to a gas in an isothermal change, the result will be ______. 

Work energy theorem is valid in the presence of ______.

A moving charge will gain kinetic energy due to the application of ______.

The drift velocity of a free electron inside a conductor is ______

Which one is not an application of eddy current?

For gas, if γ = 1.4, then atomicity, C_p and C_v of the gas are respectively.  

Bulk modulus of a perfectly rigid body is ______.

A motor boat having a length of 10 m and a breadth of 5 cm is floating on a lake. The boat sinks by 5 cm when the load gets on it. What is the mass of the load?

Resonance occurs, when? 

A charged particle moving in a magnetic field experiences a resultant force ______