List of top Questions asked in AP EAPCET- 2025

If the linear momentum of a proton is changed by $p_0$, then the de Broglie wavelength associated with the proton changes by 0.25%. Then the initial linear momentum of the proton is

In the given circuit, the potential difference across the plates of the capacitor $ C $ in steady state is

A Carnot engine A working between temperatures 600 K and T (T $<$ 600 K) and another Carnot engine B working between temperatures T (T $>$ 400 K) and 400 K are connected in series. If the work done by both the engines is same, then T =

A metallic disc of radius 0.3 m is rotating with a constant angular speed of $ 60 \, \text{rad s}^{-1} $ in a plane perpendicular to a uniform magnetic field of $ 5 \times 10^{-2} \, \text{T} $. The emf induced between a point on the rim and the centre of the disc is

The ratio of the orders of the spacings of nuclear energy levels and atomic energy levels is:

The voltage gain and the current amplification factor of a transistor in common emitter configuration are $ 300 $ and $ 60 $ respectively. If the collector resistance is $ 5 k\Omega $, then the base resistance is:

If the maximum and minimum amplitudes of a modulated wave are $ 25 $ V and $ 5 $ V respectively, then the modulation index is:

If the tension in the horizontal wire shown in the figure is 30 N, then the weight $ W $ and tension in the wire $ OA $ are respectively:

The escape velocity of a body from a planet of mass $M$ and radius $R$ is 14 km/s. The escape velocity of the body from another planet having same mass and diameter $8R$ (in km/s) is

In the given circuit, if $ A = 0 $, $ B = 1 $, and $ C = 1 $ are inputs, then the values of $ y_1 $ and $ y_2 $ are respectively

Two point charges +4µC and -9µC are placed 2m apart in air. Find the point on the line joining them where the electric potential is zero.

A person of mass 45 kg having leg bones each of length 50 cm and area of cross-section of 5 cm$^2$ jumps safely from a height of 2 m. If his leg bones can withstand a stress of $0.9 \times 10^8$ N m$^{-2}$, then the Young’s modulus of the leg bones is
(Acceleration due to gravity $g = 10$ m s$^{-2}$)

If the magnitude of the electric field of an electromagnetic wave in a medium is given by E = 10⁷ sin(6 × 10⁸ t - 0.01x) N C^-1, then the frequency and speed of the electromagnetic wave respectively are: (In the equation x is in metre and t is in second)

If a solid sphere of mass 50 g and diameter 20 cm rolls without slipping with a velocity $5\, \text{cm/s}$ on a surface, then its total kinetic energy is

If in an amplitude modulated wave, the maximum amplitude is 14 V and the modulation index is 0.4, then the amplitude of the carrier wave is

To increase the RMS speed of gas molecules by 25%, the percentage increase in absolute temperature of the gas is to be

According to Rayleigh, when sunlight travels through atmosphere, the amount of scattering is proportional to $n^{th}$ power of wavelength of light. Then the value of $n$ is

In Young's double-slit experiment, if the distance between the slits is increased to 3 times its initial distance, then the ratio of initial and final fringe widths is.

A crane of efficiency 80% is used to lift 8000 kg of coal from a mine of depth 108 m. If the time taken by the crane to lift the coal is one hour, then the power of the crane (in kW) is (Acceleration due to gravity $ = 10 \, \text{m s}^{-2} $)

As shown in the figure, if the values of the electric potential at three points A, B and C in a uniform electric field ($ \vec{E} $) are $V_A$, $V_B$, and $V_C$ respectively, then

If the equation of motion of a projectile is $ Y = AX - B X^2 $, then the ratio of the maximum height reached and the range of the projectile is:

Water of mass 5 kg in a closed vessel is at a temperature of 20 , $^\circ\text{C}$. If the temperature of the water when heated for a time of 10 minutes becomes $30 \ , ^\circ\text{C}$, then the increase in the internal energy of the water is:

If the horizontal range of a body projected with a velocity $u$ is 3 times the maximum height reached by it, then the range of the body is:

If 5.6 liters of a monoatomic gas at STP is adiabatically compressed to 0.7 liters, then the work done on the gas is nearly

In space, the electric potential varies as $V = 20|r|$ volt, where $\vec{r} = x\hat{i} + y\hat{j} + z\hat{k}$ is the position vector. Then electric field in (N/C) at the point (4 m, 3 m, -5 m) is