List of top Physics Questions asked in AP EAPCET

The equation of path of a projectile moving in x-y plane is given by $ y = x - \frac{x^2}{25} $, then the initial speed and maximum height of particle will be (take $ g = 10 \, \text{m/s}^2 $):

Two polaroids are oriented with their principal planes making an angle of $60^\circ$. Then the percentage of incident unpolarized light which passes through the system is:

Twenty seven drops of same size are charged at $220\text{ V}$ each. They combine to form a bigger drop. Calculate the potential of the bigger drop.}

A current loop of magnetic moment $ 0.5 \, \text{Am}^2 $ is placed in a magnetic field of $ 0.4 \, \text{T} $. If the loop is rotated from an angle of $ 0^\circ $ to $ 180^\circ $, what is the change in potential energy?}

The potential energy of a simple harmonic oscillator when the particle is half way to its end point is (where $ E $ is the total energy):

A p-n junction diode acts as a closed switch when it is

The half-life of a radioactive substance is 10 days. The decay constant is

The velocity of electromagnetic waves in vacuum is given by

A convex lens of focal length $20 \text{ cm}$ is placed in contact with a concave lens of focal length $40 \text{ cm}$. The power of the combination is}

The self-inductance of a solenoid of length $l$, area of cross-section $A$ and number of turns $N$ is proportional to

In Young's double-slit experiment, the fringe width is proportional to

In an AC circuit containing only an inductor, the current [H] [width=0.5\linewidth]{113.png}

A wire of resistance $R$ is stretched to double its original length. Its new resistance will be [H] [width=0.5\linewidth]{107.png}

According to Ohm's law, the relation between the electric current $I$ and the potential difference $V$ across a conductor is

Three capacitors of capacitances $3\ \mu\text{F}$, $3\ \mu\text{F}$ and $3\ \mu\text{F}$ are connected in series. The equivalent capacitance is}

The magnetic susceptibility is negative for:

In a Wheatstone bridge, the bridge is balanced when the ratio of the resistances in the four arms satisfies [H] [width=0.5\linewidth]{108.png}

The magnetic field at the centre of a circular coil of radius $r$ carrying a current $I$ is proportional to

The force experienced by a charge $q$ moving with velocity $v$ in a magnetic field $B$ is maximum when the angle between $v$ and $B$ is

The electric potential at a distance $r$ from a point charge $q$ is proportional to

The apparent frequency of a siren increases as the source approaches a stationary observer. This phenomenon is known as

The electrostatic force between two charges $q_1$ and $q_2$ separated by a distance $r$ in vacuum is $F$. If a dielectric medium of dielectric constant $K$ is introduced between them, the new force is

A transverse wave is represented by $y = A \sin(kx - \omega t)$. The maximum particle velocity is

The time period of a simple pendulum of length $l$ is $T$. If its length is increased to $4l$, its new time period will be

An open organ pipe of length $L$ resonates at its fundamental frequency. The wavelength of the sound wave produced is