NEET Physics Daily MCQs Practice Questions | 8 August, 2024

In stationary wave all particles between two nodes pass through the mean position :

Energy per unit volume for a capacitor having area A and seperation d kept at potential difference V is given by:

A 5 ampere fuse wire can with stand a maximum power of 1 watt in the circuit: The resistance of the fuse wire is:

For the circuit shown with $R_1=1.0\mathrm{\Omega }$, $R_2=2.0\mathrm{\Omega }$, $E_1=1V$ and $E_2=E_3=2V$, the potential difference between the points 'a' and 'b' is approximately (in V):

Temperature coefficient of resistance of platinum is $4\times 10^{-3}{\text{K}}^{-1}$ at $0^{\circ }C$. The temperature at which the increase in the resistance of platinum wire is 10% of its value at $0^{\circ }C$:

If the nucleus ${}_{13}^{27}\text{Al}$ has a nuclear radius of about $3.6\text{fm}$, the ${}_{52}^{125}\text{Te}$ would have its radius approximately as:

The ratio of molar specific heat at constant pressure and constant volume of an ideal gas is 9/7. then the number of degree of freedom of a gas molecule is:

 An astronomical telescope of eight fold angular magnification has a length of 45cm the focal length of the objective is:

The refractive index of a prism for a monochromatic wave is $\sqrt{2}$ , and its refracting angle is 60°. For minimum deviation, the angle of incidence will be:

The magnetic force acting on a charged particle of charge $+2\mu C$ in a magnetic field of 2T acting in $+y$ direction, when the particle velocity is $(2\widehat{i}+3\widehat{j})\times 10^6{\text{ms}}^{-1}$, is:

Two coherent sources produce waves of different intensities which interfere. After interference the ratio of the maximum intensity to the minimum intensity is 25. The intensity of the waves are in the ratio:

If the ratio of diameters, lengths and Young's modulus of steel and copper wires shown in the figure are a, b and c respectively, then the corresponding ratio of increase in their lengths would be:

Which one of the following is the property of a monochromatic, plane electromagnetic wave in free space:

 The frequencies of X-rays, γ-rays and ultraviolet rays are respectively a, c and b. Then:

In a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in series produce oscillation of frequency f. If L is doubled and C is changed to 4C, the frequency will be:

A bar magnet of magnetic moment M is cut into two parts of equal length. The magnetic moment of each part will be:

An ideal transformer consisting of 300 turns in the primary and 150 turns in the secondary coil. If the current in the secondary coil is 10 A, then the current in the primary coil are:

Statement I : In stream line flow speed is uniform
Statement II : The velocity head in stream line flow is $\frac{{\mathrm{v}}^2}{2\mathrm{g}}$. 

Among which of the following magnetic susceptibility does not depend on temperature.

Match the Column I and Column II: