NEET (UG) entrance exam Question Bank Solutions

Which of the following is three-dimensional continuous charge distribution?

Two identical flutes produce fundamental notes of frequency 300 Hz at 27°C. If the temperature of air in one flute is increased to 31°C, the number of the beats heard per second will be

If the velocity of a car is given by V = (150 − 10x)^½ m/s. If a car retards their motion by applying brakes then what will be the acceleration?

Which of the following processes is reversible?  

If the last band on the carbon resistor is absent, then the tolerance is ______

Molar specific heat of water is C = 74.7 J/mol K, its value in cal/g K is ______. 

A uniform electric field and a uniform magnetic field are produced, pointed in the same direction. An electron is projected with its velocity pointing in the same direction ______

In young 's double slit experiment, the phase difference between the light waves reaching third bright fringe from the central fringe will be ______. (λ = 6000 A)

A proton and α-particle are accelerated through the same potential difference. The ratio of the de-Broglie wavelength λ_p to that λ_α is _______.

The unit of inductance is ______

If v₁ and v₂ are the frequencies of two tuning forks, then the beat frequency is ______.

One can easily weigh the earth by calculating the mass of the earth by using the formula:

The de-Broglie wavelength associated with a material particle when it is accelerated through a potential difference of 150 volt is 1 Å. What will be the de-broglie wavelength associated with the same particle when it is accelerated through a potential difference of 4500 V?

Consider the following statements (A) and (B) and identify the correct answer.

(A) A Zener diode is connected in reverse bias when used as a voltage regulator.

(B) The potential barrier of the p-n junction lies between 0.1 V to 0.3 V.

If force [F], acceleration [A] and time [T] are chosen as the fundamental physical quantities. Find the dimensions of energy.

An electromagnetic wave of wavelength ‘λ’ is incident on a photosensitive surface of negligible work function. If ‘m’ mass is of photoelectron emitted from the surface has de-Broglie wavelength λ_d, then ______.

If force [F], acceleration [A], and time [T] is chosen as the fundamental physical quantities. Find the dimensions of energy.

An electromagnetic wave of wavelength ‘λ’ is incident on a photosensitive surface of negligible work function. If ‘m’ mass is of photoelectron emitted from the surface has de-Broglie wavelength λ_d, then ______

Consider the following statements (A) and (B) and identify the correct answer.

1. A zener diode is connected in reverse bias, when used as a voltage regulator.
2. The potential barrier of p-n junction lies between 0.1 V to 0.3 V.

Two coils of self inductances 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is ______.