List of top Physics Questions asked in AP EAPCET

A particle starting from the origin executes simple harmonic motion along x-axis. Its velocity at any instant t is given by $v_{x}=22 \cos(\frac{\pi t}{2}) \text{ cm s}^{-1}$. The total distance covered by the particle in time $t=4.5 \text{ sec}$ is
In simple harmonic motion, at mean position
A copper wire of negligible mass, length 1 m and area of cross-section $10^{-6}\text{m}^{2}$ is kept on a smooth horizontal table. One end of the wire is fixed and other end of the wire attached with a ball of mass 1 kg. If the ball and wire are rotating with 20 rad $\text{s}^{-1}$, an elongation of $10^{-3}\text{m}$ is observed in the wire, find its Young's modulus
An earthen pitcher containing 9.5 kg of water loses one gram of water per minute due to evaporation. If water equivalent of pitcher is 0.5 kg. The time required to cool the water in pitcher from $30^{\circ}\text{C}$ to $28^{\circ}\text{C}$ is (Neglect radiation effect and Take latent heat of vaporization 500 cal $\text{g}^{-1}$)
A body of mass $5\text{ kg}$ is projected vertically upwards from a point $X$ from the ground with an initial speed of $20\text{ ms}^{-1}$. It rises to a point $Y$ where its kinetic energy is reduced to $400\text{ J}$. If the body experiences a constant air resistance of $10\text{ N}$ throughout its motion, then the vertical distance between $X$ and $Y$ is (Acceleration due to gravity $=10\text{ ms}^{-2}$)
The acceleration of a uniform disc rolling down an inclined plane of length $1.75\text{ m}$ is $1/3$ times the acceleration due to gravity. If a solid sphere is rolling down from the top of the same inclined plane, then the velocity with which it reaches the bottom of the plane is
Three balls $A$, $B$ and $C$ of equal mass are moving in the same order along the same straight line on a smooth horizontal surface. Initially, ball $A$ moves towards right with a velocity of $6\text{ ms}^{-1}$, ball $B$ moves towards left with a velocity of $4\text{ ms}^{-1}$ and ball $C$ moves towards right with a velocity of $3\text{ ms}^{-1}$. If the coefficient of restitution between any two balls is $0.8$, then the relative velocity of balls $B$ and $C$ after collision is
A block is kept at the top of a rough inclined plane of length $2.8\text{ m}$ and angle of inclination $\cos^{-1}(0.6)$. If the coefficient of kinetic friction between the block and the upper half of the plane is $0.3$ and between the block and the lower half of the plane is $0.5$, then the velocity with which the block reaches the bottom of the plane is (acceleration due to gravity $=10\text{ ms}^{-2}$)
If three particles of masses $2m$, $m$ and $4m$ are moving in three mutually perpendicular directions with velocities $3\text{ ms}^{-1}$, $4\text{ ms}^{-1}$ and $3\text{ ms}^{-1}$ respectively, then the magnitude of the velocity of the center of mass of the system of three particles is
A stone of mass $400\text{ g}$ tied to one end of a string is rotated in a horizontal circle of radius $125\text{ m}$. If the string can withstand a maximum tension of $50\pi^{2}\text{ N}$ then the minimum time period with which the stone can be rotated is
A projectile is thrown into space so that it attains a maximum possible range of $200\text{ m}$. Taking the point of projection as origin, the coordinates of the point where the velocity of projectile is minimum is
Cars $X$ and $Y$ begin the race simultaneously with velocities $8\text{ ms}^{-1}$ and $4\text{ ms}^{-1}$, moving in a straight line with uniform accelerations $2\text{ ms}^{-2}$ and $4\text{ ms}^{-2}$ respectively. If they reach final point at the same instant, then the length of the path is
$\beta=\frac{F}{v^{2}}\cos(\alpha t)$, if $F$ is force, $v$ is velocity, $t$ is time, then the dimensional formulae of $\alpha$, $\beta$ are respectively
A bike race is conducted on a circular track of radius $60\text{ m}$. If the slowest bike, weighing $120\text{ kg}$, moved around the track at a constant speed of $108\text{ kmph}$, then the time taken by it to complete one lap and its acceleration are respectively
The de Broglie wavelength of a particle of mass $m$ moving with a velocity $v$ is given by
A p-n junction diode acts as a closed switch when it is
The work function of a metal depends on
According to Bohr's model, the angular momentum of an electron in a stable orbit is an integral multiple of
The half-life of a radioactive substance is 10 days. The decay constant is
In Young's double-slit experiment, the fringe width is proportional to
In an AC circuit containing only an inductor, the current


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