NEET Physics | Daily MCQs Practice Questions | 30 July 2024 | NEET Exam

Two charges q₁ and q₃ are placed 60cm apart, as shown in the figure. A third charge q₂ is moved along the arc of a circle of radius 80cm from C to D. The change in the potential energy of the system is $\frac{{\mathrm{q}}_2}{4{\mathrm{\pi \epsilon }}_{\circ }}\mathrm{k}$ where k is :

A network of four capacitors of equal capacitance are connected to a battery as shown in the figure. The ratio of the charges on C₁ and C₄ is -

The equation of state for 7g of Nitrogen gas at a pressure P and temperature T, when occupying a volume V, will be :- Where R is the gas constant.

A 100 watt bulb working on 200 volt has resistance R and a 200 watt bulb working on 100 volt has resistances S, then R/S is:

When hydrogen atom is in its first excited level, then radius of path of electron will be::

The velocity of electromagnetic wave is parallel to

Work done in increasing the size of a soap bubble from a radius of 2 cm to 6 cm is nearly (Surface tension of soap solution = 0.08 Nm^-1) :-

When an unpolarized light of intensity I₀ is incident on a polarizing sheet, the intensity of the light which get transmitted is-

When the number of nucleons in nuclei increases the binding energy per nucleon:

Match the column I and column II.

If $\vec{A} = 3\hat{i} + a\hat{j} + 2\hat{k}$ and $\vec{B} = 2\hat{i} + b\hat{j} + 4\hat{k}$ are perpendicular to each other then find the value of $4ab$:

If the units of force, energy and velocity in a new system be 20 N, 10 J and 10 m/s respectively, then the unit of distance in this system is :-

The magnifying power of a telescope for relexed eye is 9. When it is adjusted for parallel rays, the distance between the objective and the eye piece is found to be 20 cm. The focal length of lenses are:

A charged particle is moving in a uniform magnetic field in a circular path. Radius of circular path is R. When energy of particle is quadrupled, then new radius will be :-

A block takes thrice as much time to slide down on a 60° rough inclined plane as it takes to slide down on a similar smooth plane. The coefficient of friction is :-