NEET (UG) entrance exam Question Bank Solutions

For a chosen non-zero value of voltage, there can be more than one values of current in

Broadcast band in which FM lies is ______.

The escape velocity from the surface of earth of mass 'M' and radius 'R' is 've'. The escape velocity from the surface of a planet whose mass and radius are 3 times that of the earth, will be

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 ______

Escape velocity from a planet is v_e. If its mass is increased to 8 times and its radius is increased to 2 times, then a new escape velocity would be ______.

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

A 8 cm cube has its upper face displaced by 0.5 mm by a tangential force of 10 kN. What is the shear modulus of the cube?

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 ______.

Two planets A and B have the same material density. If the radius of A is twice that of B, then the ratio of escape velocity `"V"_"A"/"V"_"B"` is ______.

If Young's modulus of the material is 6 times its modulus of rigidity, then its volume elasticity will be ______.

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.