List of top Physics Questions asked in AP EAPCET

The electric field of an electromagnetic wave propagating in vacuum is given by $E = 35 \cos(kx - 4.5 \times 10^8 t)$ where $E_x$ and $t$ are in V/m and s respectively. The magnitude of the propagation vector $k$ is
In a galvanometer, when the number of turns $N$ becomes $2N$ and resistance $R$ becomes doubled, then
The ratio of the flux-linkage to current is
The colour which has the highest critical angle of incidence is

In the given circuit, the potential difference between B and D is zero. Then the value of the current I is

For a wavelength 670 nm of light coming from a galaxy moving with velocity $V$, the observed wavelength is 670.7 nm. The value of $V$ is
A conducting sphere of radius 5 cm has an unknown charge. The electric field at 10 cm from the center of the sphere is $1.8 \times 10^3$ N/C. The net charge on the sphere is

The figure shows a part of a circuit. The voltage across A and B is 4V. Then the voltages across 2 $\mu$F and 1.5 $\mu$F are respectively

Two equipotential surfaces A and B are separated by a distance x. The work done in moving a charge -q from A to B is (Assume $\varepsilon_0$ = permittivity of free space)

A wave is reflected from a rigid support. The change in phase on reflection will be
The number of rotational degrees of freedom of a diatomic molecule is
If $\Delta Q$ is the heat supplied and $\Delta W$ is the work done by the gas at constant pressure, then the ratio $\dfrac{\Delta Q}{\Delta W}$ is ($\gamma$ = specific heat ratio)
A Carnot's engine can have 100% efficiency if the temperature of the sink is

A gas is taken through the cycle A → B → C → A as shown in the figure. The net work done by the gas after one cycle is

A liquid of density 800 kg/m$^3$ is used instead of mercury in the Torricelli barometer. What is the height of the liquid column if atmospheric pressure is 76 cm of Hg? (Density of mercury = $13.6 \times 10^3$ kg/m$^3$)
A body executes simple harmonic motion under the action of a force $F_1$ with a frequency $n_1$ and under another force $F_2$ with frequency $n_2$. If both forces act simultaneously in the same direction, the frequency of oscillation of the body is
A metal wire breaks when a tensile force of 100 N is applied. If the diameter of the wire is 2 mm, the breaking stress of the wire is
A hole is drilled from one end to the other end of Earth and an object of mass $m$ is dropped down the hole. The gravitational force acting on the object as a function of distance $r$ from the center of Earth is (Assume mass of Earth = $M$, radius = $R$, and uniform density)
A disc starts rotating from rest with constant acceleration and attains angular velocity of 20 rad/s in 5 seconds. The total angular displacement during this interval is
Two particles of masses 2 kg and 4 kg are separated by a distance of 3 m. The moment of inertia of the system of the two particles about an axis passing through the centre of mass of the system and perpendicular to the line joining the two particles is
The power of an engine which draws 1000 kg of water from a well of depth 9 m in one minute is (acceleration due to gravity $g = 10$ m/s$^2$)
A block A of mass 1.6 kg is executing SHM with amplitude of 10 cm. A block B of mass 0.9 kg is kept on A. When A passes through its equilibrium, the amplitude of oscillation of the system of block A and B is
The force, $F = (2x^2 + 5x + 4)$ N is acting on a body. If the body moves from $x = -1$ m to $x = +1$ m in the direction of force, then the work done by the force is
The angle between two vectors $\vec{i} + \vec{j}$ and $\vec{j} + \vec{k}$ is
The distance $s$ (in m) travelled by a particle is given by the expression $s = 5t^2 + 8t$, where $t$ is time in seconds. The acceleration of the particle is