List of top Physics Questions asked in AIPMT

Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momenta will be in the ratio

The work functions for metals A, B and C are respectively 1.92 eV, 2.0 eV and 5 eV. According to Einstein's equation the metals which will emit photoelectrons for a radiation of wavelength 4100 $\mathring{A} $ is/are

Three particles, each of mass $m$ gram, are situated at the vertices of an equilateral triangle $ABC$ of side $l$ cm (as shown in the figure). The moment of inertia of the system about a line $AX$ perpendicular to $AB$ and in the plane of $ABC$, in $gram-cm^2$ units will be

In semiconductors at a room temperature

Reverse bias applied to a junction diode

In a PN junction :-

On the horizontal surface of a truck a block of mass 1 kg is placed $(\mu = 0.6)$ and truck is moving with acceleration $5 m/sec^2$ then the frictional force on the block will be

From the following diode circuit, which diode is in forward biased condition

In forward bias, the width of potential barrier in a p-n junction diode

In a p type semiconductor, the majority carriers of current are

In a junction diode the holes due to:

Two coils have a mutual inductance 0.005 H. The current changes in the first coil according to equation $I = I_0 sin \omega t, \, $ where $I_0= 10 A $ and $ \omega= 100 \pi$ rad/sec. The maximum value ofe.m.f. in the second coil is

The transfer ratio $\beta$ of a transistor is $50$. The input resistance of the transistor when used in the common-emitter configuration is $1 k\Omega$ The peak value of the collector A.C. current for an A.C. input voltage of 0.01 V peak is

The focal length of converging lens is measured for violet, green and red colours. It is respectively $f_v , f_g, f_r $ We will get

The refractive index of water is 1.33. What will be the speed of light in water?

This symbol represents

The equation of state of some gases can be expressed as $\left(P+\frac{a}{V^{2}}\right)\left(V-b\right)=RT$, where $P$ is the pressure, $V$ is the volume, $T$ is the absolute temperature and $a, b$ and $R$ are constants. The dimensions of $a$ are

When using a triode, as an amplifier, the electrons are emitted by

Which of the following is a dimensional constant?

A straight line conductor of length 0.4 m is moved with a speed of 7 m/s perpendicular to a magnetic field of intensity 0.9 Wb/$m^2$. The induced e.m.f. across the conductor is

In the case of forward biasing of p-n junction, which one of the following figures correctly depicts the direction of flow of carriers?

Which of the following has the dimensions of pressure?

Turpentine oil is flowing through a tube of length $l$ and radius $r$. The pressure difference between the two ends of the tube is $P$. The viscosity of oil is given by $\eta=\frac{P(r^2-x^2)}{4vl}$ where $v$ is the velocity of oil at a distance $x$ from the axis of the tube. The dimensions of $\eta$ are

Time taken by sunlight to pass through a window of thickness 4 mm whose refractive index is $\frac{3}{2}$ is

A parallel beam of monochromatic light of wavelength 5000 $\mathring{A}$ is incident normally on a single narrow slit of width 0.001 mm. The light is focussed by a convex lens on a screen placed in focal plane. The first minimum will be formed for the angle of diffraction equal to