NEET (UG) entrance exam Question Bank Solutions

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 ______.

Resonance occurs, when? 

Streamline flow is more likely for liquids with ______.

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

In the figure shown, the image of a real object is formed at the point I. AB is the principal axis of the mirror. The mirror must be:

The graph showing the dependence of intensity of transmitted light on the angle between polariser and analyser is:

The wavelength of light used in young.'s double slit experiment is λ. The intensity at a point on the screen is I where the path difference is λ/6. If I₀ denotes the maximum intensity, then the ratio of I and I₀ is ______.

A current loop placed in a magnetic field behaves like a ______

An oscillator is producing FM waves of frequency 2 KHz with a variation of 12 KHz. What is the modulating index?

Eddy currents are also known as ______

The number of possible natural oscillations of the air column in a pipe closed at one end of length 85 cm whose frequencies lie below 1250 Hz? (v = 340 m/s)

The identical conductors maintained at same temperature are given potential difference in the ratio 1 : 2. Then the ratio of their drift velocities is ______.

The angular momentum of the wheel changes from 3 L to 7 L in 4 sec. What is the magnitude of torque acting on it?

A ball falling in a lake of depth 300 m shows a decrease of 0.3% in its volume at the bottom. What is the bulk modulus of the material of the ball? (g = 10 m/s²)

If E and G respectively denote energy and gravitational constant, then `"E"/"G"` has the dimensions of ______.

If E and G respectively denote energy and gravitational constant, then `"E"/"G"` has the dimensions of ______.

The number of photons per second on an average emitted by the source of monochromatic light of wavelength 600 nm, when it delivers the power of 3.3 × 10⁻³ watts will be ______ (h = 6.6 × 10⁻³⁴ Js).

A uniform rod of length 200 cm and mass 500 g is balanced on a wedge placed at 40 cm mark. A mass of 2 kg is suspended from the rod at 20 cm and another unknown mass ‘m’ is suspended from the rod at 160 cm mark as shown in the figure. Find the value of ‘m’ such that the rod is in equilibrium. (g = 10 m/s²)

A uniform conducting wire of length 12a and resistance ‘R’ is wound up as a current carrying coil in the shape of,

1. an equilateral triangle of side ‘a’.
2. a square of side ‘a’.

The magnetic dipole moments of the coil in each case respectively are: