List of top Physics Questions asked in AP EAPCET

In the case of non-conservative forces, the following statement is correct:
Two particles of masses 5 g and 3 g are separated by a distance of 40 cm. The centre of mass of the system of these two particles lies:
The angular speed of a rigid body rotating about a fixed axis is \( (8-2t) \) rad s\(^{-1}\). The angle through which the body rotates before it comes to rest is:
An object of mass 3 kg is executing simple harmonic motion with an amplitude of \( \frac{2}{\pi} \, \text{m} \). If the kinetic energy of the object when it crosses the mean position is 6 J, the time period of oscillation of the object is:
As shown in the figure, a block of weight 20 N is connected to the top of a smooth inclined plane by a massless spring of constant \( 8\pi \, \text{Nm}^{-1} \). If the block is pulled slightly from its mean position and released, the period of oscillations is:
ablockofweight20Nis
The orbital velocity of a body near the surface of a planet 'A' is equal to escape velocity of a body from the planet 'B'. If the masses of planets A and B are same, the ratio of their radii is:
A spherical ball of volume 2000 cm\(^3\) is subjected to a hydraulic pressure of 15 atm. If the change in volume is \( 5 \times 10^{-2} \) cm\(^3\), the bulk modulus of the material of the spherical ball is:
The gauge pressure at a depth of 50 m in a sea is
The emissivity of a perfect black body is increased to 16 times by increasing its temperature. If the initial temperature is \( T \), then final temperature of that black body is:
The temperature of the sink of a Carnot's engine is 300 K and the efficiency of the engine is 0.25. If the temperature of the source of the engine is increased by 100 K, the efficiency of the engine increases by
A monatomic gas of volume \( V \) and pressure \( P \) expands isothermally to a volume \( 27V \) and then compressed adiabatically to a volume \( V \). The final pressure of the gas is:
The specific heat capacity of a monatomic gas at constant volume is \( x % \) of its specific heat capacity at constant pressure. Then \( x \) =
The number of rotational degrees of freedom of a monatomic molecule is:
A string of length \( L \) is stretched by \( \frac{L}{20} \) and the speed of transverse waves along it is \( v \). The speed of the wave when it is stretched by \( \frac{L}{10} \) will be:
The magnifying power of a telescope with tube length 60 cm is 5. Then the focal length of its eye piece is:
In a Young's double slit experiment, if the wavelength of light is increased by 50% and the distance between the slits is doubled, then the percentage change in fringe width is:
The net electric flux due to a uniform electric field of \( 3 \times 10^3 \, \text{NC}^{-1} \) through a cube of side 20 cm oriented such that its faces are parallel to the coordinate planes is:
A block of mass \( m \) and charge \( q \) is connected to a point 'O' with an inextensible string. This system is on a horizontal table. An electric field \( E \) is applied perpendicular to the string and in the plane of the horizontal table. The tension in the string when it becomes parallel to the electric field is:
Two capacitors of capacity 4 μF and 6 μF are connected in series to a 500 V battery. The potential difference across the 4 μF capacitor is:
In the given circuit, if the current flowing through 5 \( \Omega \) resistor is 0.5 A, then the value of \( E \) is:
current flowing through 5 Ω resistor is 0.5 A
The drift velocity of electrons in a conducting wire connected to a cell is \( V_d \). If the length of the wire is doubled and area of cross-section is halved, then the drift velocity of electrons becomes:
The relation between permittivity of free space, the permeability of free space and speed of light is:
The magnetic force \( q [v \times B] \) is
One of the following substances having the tendency to move from stronger region to the weaker region of the magnetic field is:
The Lenz law is associated with