List of top Physics Questions asked in AP EAPCET

Two moles of an ideal gas undergoes a cyclic process as shown in the figure. If AB is an isothermal process at 223 $^\circ$C, then the net work done in the complete cycle is nearly: (Universal gas constant = 8.3 J mol$^{-1}$ K$^{-1}$ and take ln(2) = 0.7)

If the relation of the absolute temperature (T) and volume (V) of an ideal gas which expands adiabatically is T ∝ 1 / √V, then the ratio of the specific heat capacities of the gas is:

An incompressible fluid is flowing through a horizontal Y-shaped tube as shown in the figure. The velocity (v) of the fluid in the tube of area of cross-section 1.5A m$^2$ is:

Three steel rods having lengths 1L, 3L, 3L and cross-sectional areas A, 2A, 3A respectively are joined in the form of a single rod. If the cross rod is subjected to a stretching force F, then the increase in length is: (Y = Young's modulus of steel)
The time period of oscillations of a spring of force constant 65 N m-1 with its upper end fixed to a rigid support and carrying a mass of 650 g at its lower end is:
The angular velocity of a circular disc rotating with uniform angular acceleration increases from 20 rad s-1 to 50 rad s-1 in a time of 10 seconds. The number of rotations made by the circular disc during this period is:

The displacement (s) - time (t) graphs of two bodies A and B are shown in the figure. The ratio of the velocities of the two bodies A and B is

\( Q = \dfrac{x^2 z^{5/2}}{y \sqrt{t}} \) is the relation between different physical quantities and the errors in the measurements of \( x, y, z \) and \( t \) are 2.5%, 2%, 0.5% and 1% respectively, then the percentage error in the determination of \( Q \) is
The waves used for line of sight communication and satellite communication are:
The ratio of the radii of the nuclei of mass numbers 27 and 64 is:
A 100 $\Omega$ resistor, a 50 $\mu$F capacitor and an inductor are connected in series to an ac source of frequency 50 Hz. If the circuit is in resonance, then the impedance of the circuit is:
The energy stored in a coil of inductance 50 mH carrying a current of 2 A is:
If an electron and a proton enter normally into a uniform magnetic field with equal kinetic energies, then:
If the magnetisation of a material is M and the magnetic field in the material is B, then the magnetic intensity is: ($\mu_0$ = permeability of free space)
A 10 $\mu$C charge is placed at the vertex A of an equilateral triangle ABC of side 2 m. The work done in taking another charge $(3 + \sqrt{3})$ $\mu$C from the mid point of BC to the mid point of the side AC is:
If a generator of emf 440 V and internal resistance 400 $\Omega$ is connected to an external resistance of 4000 $\Omega$, then the potential difference across the external resistance is:
The nature of the graph between the temperature in Fahrenheit and Celsius values is:
If the length and the focal length of its objective of an astronomical telescope are L and 8 respectively, then the focal length of its eyepiece is:
A closed pipe and an open pipe of same length produce 4 beats per second when they are set into vibrations simultaneously. If the lengths of both the pipes were halved, then the number of beats produced per second is: (Assume same mode of vibrations in both cases)
If the mass and the radius of a solid sphere are 0.22 kg and \( 20\sqrt{5}\,{cm} \), then its radius of gyration about its diameter is
The ratio of kinetic energy and total energy of a particle in simple harmonic motion, at a point where the displacement is 30% of its amplitude is:
The height at which the weight of a person becomes 25% of his weight on the surface of the earth is: (R$_E$ is the radius of the earth)
Rain is falling vertically with a speed of \( 36\ \mathrm{m/s} \) and a boy is moving on a bicycle with a speed of \( 20\ \mathrm{m/s} \) towards south. The angle with the vertical towards south with which the boy has to hold an umbrella is
A bomb of mass 12 kg at rest explodes into two pieces of masses 4 kg and 8 kg. If the velocity of 8 kg mass is \( 6\,{ms}^{-1} \), then the kinetic energy of 4 kg mass is
A body is dropped freely from a height of 8 m from the ground. If the coefficient of restitution between the body and the ground is 0.5, then the maximum height reached by the body after second impact with the ground is