List of top Physics Questions asked in AP EAPCET

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 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
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
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
If the maximum range of a projectile is $R$, then the maximum height reached by the projectile is
The ratio of inertial mass to the gravitational mass of a body is
A uniformly charged conducting sphere of 2.4 m diameter has a surface charge density of 80.0 $ \mu C \, m^{-2} $. The charge on the sphere is nearly:
In a Young’s double slit experiment, a laser light of wavelength 560 nm produces an interference pattern with consecutive bright fringes’ separation of 7.2 mm. Now another light is used to produce an interference pattern with consecutive bright fringes’ separation of 8.1 mm. The wavelength of the second light is:
Which of the following statements regarding the damping force of a damped oscillator is NOT correct? Options:

Two mercury drops of radii $ r $ and $ 2r $ merge to form a bigger drop. The surface energy released in the process is nearly (Surface tension of mercury is } $S$ and take $9^{2/3} = 4.326$)

An electron is accelerated through a potential difference of 100 V. What is the de Broglie wavelength of the electron? (Assume $ h = 6.626 \times 10^{-34}$  J·s , $ m_e = 9.1 \times 10^{-31}$  $\text{kg} $, $ e = 1.6 \times 10^{-19}$ $\,$ $\text{C} $.)

The photo current in a photo diode depends on:
A message signal of frequency 14 kHz is used to modulate a carrier of frequency 900 kHz. Then, the frequencies of the sidebands are:
Electromagnetic waves of energy flux $ 75 \times 10^4 \, \text{W/m}^2 $ incidents normally on a surface of area $ 40 \, \text{cm}^2 $. If the surface absorbs the flux completely, the total momentum delivered to the surface in one second is: Options:
The minimum excitation energy of an electron revolving in the first orbit of hydrogen is:
The de Broglie wavelength of a charged particle accelerated through a potential difference $ V $ is $ \lambda $. If the potential difference is increased by 21%, the de Broglie wavelength of the charged particle is:
An AC voltage of $ 10 \sin \omega t $ volt is applied to a pure inductor of inductance $ 10 \, \text{H} $. The current through the inductor in ampere is:
The shiny metal disk in the electric power meter (analog type) rotates due to:
The process that mainly takes place in stars to produce energy:
The radius of the path of an electron moving at a speed of $ 3.2 \times 10^7 $ ms$ ^{-1} $ in a magnetic field of $ 6 \times 10^{-4} $ T perpendicular to it is (mass of electron is $ 9 \times 10^{-31} $ kg and charge of electron is $ 1.6 \times 10^{-19} $ C)