List of top Physics Questions asked in AIEEE

Assuming the sun to be a spherical body of radius R at a temperature of T K, evaluate the total radiant power, incident on earth, at a distance r from the sun : where $r_{0}$ is the radius of the earth and $\sigma$ is Stefan?s constant.

A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work done by the force of gravity during the time the particle goes up is :

Starting from the origin a body oscillates simple harmonically with a period of 2 s. After what time will its kinetic energy be 75% of the total energy ?

A mass of M kg is suspended by a weightless string. The horizontal force that is required to displace it until the string makes an angle of 45? with the initial vertical direction is :

A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying die force and the ball goes upto 2 m height further, find the magnitude of the force. Consider g = 10 m/$s^{2}$:

Two lenses of power $-15\, D$ and $+ 5\,D$ are in contact with each other. The focal length of the combination is

The velocity of a particle is $v = v_0 + gt + ft^2$. If its position is $x = 0$ at $t = 0$, then its displacement after unit time $(t = 1)$ is

If in a $p-n$ junction diode, a square input signal of $10\,V$ is applied as shown

Then the output signal across $R_L$ will be

If $M_O$ is the mass of an oxygen isotope $_{8}O^{17}, M_{P}$ and $M_{N}$ are the masses of a proton and a neutron respectively, the nuclear binding energy of the isotope is

A point mass oscillates along the $x-axis$ according to the law $x = x_0 \,cos (\omega t - \pi/4)$. If the acceleration of the particle is written as $a = A cos(\omega t + \delta)$ then

A battery is used to charge a parallel plate capacitor till the potential difference between the plates becomes equal to the electromotive force of the battery. The ratio of the energy stored in the capacitor and the work done by the battery will be

Charges are placed on the vertices of a square as shown. Let $\vec {E}$ be the electric field and $V$ the potential at the centre. If the charges on $A$ and $B$ are interchanged with those on $D$ and $C$ respectively, then

One end of a thermally insulated rod is kept at a temperature $T_1$ and the other at $T_2$. The rod is composed of two sections of lengths $\ell_{1}$ and $\ell_{2}$ and thermal conductivities $k_1$ and $k_2$ respectively. The temperature at the interface of the two sections is

Which of the following transitions in hydrogen atoms emit photons of highest frequency?

Two identical long conducting wires $AOB$ and $COD$ are placed at right angle to each other, with one above other such that $O$ is their common point for the two. The wires carry $I_1$ and $I_2$ currents, respectively. Point $P$ is lying at distance $d$ from $O$ along a direction perpendicular to the plane containing the wires. The magnetic field at the point $P$ will be

The displacement of an object attached to a spring and executing simple harmonic motion is given by $x = 2 ??10^{-2}\, cos\, \pi t$ metres. The time at which the maximum speed first occurs is

If $C_p$ and $C_v$ denote the specific heats of nitrogen per unit mass at constant pressure and constant volume respectively, then

For the given uniform square lamina $ABCD$, whose centre is $O$,

A round uniform body of radius $R$, mass $M$ and moment of inertia $I$, rolls down (without slipping) an inclined plane making an angle $\theta$ with the horizontal. Then its acceleration

A circular disc of radius $R$ is removed from a bigger circular disc of radius $2R$, such that the circumferences of the discs coincide. The centre of mass of the new disc is $\alpha/R$ from the centre of the bigger disc. The value of $\alpha$ is

A block of mass $m$ is connected to another block of mass $M$ by a spring (massless) of spring constant $k$. The blocks are kept on a smooth horizontal plane. Initially the blocks are at rest and the spring is unstretched. Then a constant force $F$ starts acting on the block of mass $M$ to pull it. Find the force on the block of mass $m$

A long straight wire of radius $'a'$ caries a steady current $i$. The current across its cross section. The ratio of the magnetic field at $\frac{a}{2}$ and $2a$ is

An ideal coil of $10H$ is connected in series with a resistance of $5\, \Omega$ and a battery of $5V. 2$ second after the connection is made the current flowing in amperes in the circuit is

A thermocouple is made from two metals, Antimony and Bismuth. If one junction of the couple is kept hot and the other is kept cold, then, an electric current will:

The current $I$ drawn from the $5$ volt source will be: