List of top Questions asked in AP EAPCET- 2026

In the circuit given below, each of three resistors of \(4\Omega\) can have a maximum power of \(20\,\text{W}\) otherwise, it will melt. The maximum power which the whole circuit can take is: center

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Match the law/principle with the concerned application: \[ \begin{array}{|c|c|} \hline \textbf{Application} & \textbf{Law / Principle} \\ \hline a)\ \text{Hydraulic Lift} & i)\ \text{Bernoulli's Principle} \\ \hline b)\ \text{Speed of Efflux} & ii)\ \text{Torricelli's Law} \\ \hline c)\ \text{Dynamic Lift} & iii)\ \text{Stoke's Law} \\ \hline d)\ \text{Viscous Drag Force} & iv)\ \text{Pascal's Law} \\ \hline \end{array} \]

A liquid flows with velocity $2$ m/s through a pipe of diameter $0.01$ m. Density = $1000$ kg/m$^3$, viscosity = $0.5$ kg/m$\cdot$s. Reynolds number is:

For a prism of angle \(5^\circ\), the angle of minimum deviation \((\delta)\) varies with refractive index \((\mu)\) as shown in the graph. The slope of the graph is: center

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In Young’s double slit experiment, the ratio of intensities of maxima and minima is \(25:9\). The ratio of intensities of two slits is:

For an astronomical telescope of length 126 cm in normal adjustment, if the focal length of the objective is 850 % more than that of its eyepiece, then the focal length of the eyepiece is:

If a person cannot see objects closer than 100 cm, the power of lens required to read at 25 cm is:

A rectangular glass block of thickness 10 cm and refractive index 1.5 is placed over a small coin. A beaker is filled with water of refractive index 4/3 to a height of 10 cm and placed over the glass block. The apparent depth of coin when viewed at near normal incidence is:

Convex lens of focal length 20 cm and a concave lens of focal length of 30 cm are separated by a distance of 10 cm. Equivalent power of this arrangement is:

In a Young's double slit experiment, the intensity at a point where the path difference is $\frac{\lambda}{6}$ ($\lambda$ being the wavelength of the light used) is $I$. If $I_{0}$ denotes the maximum intensity, $\frac{I}{I_{0}}$ 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

How fast a person should drive his car so that the red signal of light appears green? (wavelengths of red and green colours are 6200 and 5400 respectively)

In Young's double-slit experiment, the fringe width is proportional to

An object is placed at a distance of \(15\,\text{cm}\) from a convex lens of focal length \(10\,\text{cm}\). On the other side of the lens, at its focus, a convex mirror is placed such that final image formed coincides with the object. The focal length of convex mirror is:

Interference fringes produced by a double slit arrangement using a monochromatic light of wave length 5,890Å have an angular fringe width \( 0.28^\circ \). If the entire arrangement is immersed in water, the new angular fringe width will be (\( ^a\mu_w = 4/3 \)):

If Young's double slit experiment is done in air first and then if the experiment is conducted by immersing the apparatus in water, the fringe width:

The refractive index of water is $\frac{4}{3}$ and that of glass is $\frac{3}{2}$. The refractive index of glass with respect to water is

When a light ray incidents on an equilateral prism of material of refractive index $\sqrt{2}$, the angle of minimum deviation is D. If the light ray incidents on another equilateral prism of material of refractive index $\sqrt{3}$, then the angle of minimum deviation is:

For the same angle of incidence, the angles of refraction of light ray in different media A, B, C are $35^{\circ}$, $25^{\circ}$, $15^{\circ}$. If $V_{A}, V_{B}, V_{C}$ are velocities of light in A, B, C media respectively, then

A string of mass 2.5 kg is under a tension of 200 N. The length of the stretched string is 20 m. If a transverse jerk is struck at one end of the string, the time taken for the disturbance to reach the other end is:

The fundamental frequency of a closed organ pipe of length L is equal to the frequency of the first overtone of an open organ pipe of length L'. The relation between their lengths is:

The displacement of a progressive wave is given by \( y = 0.5 \sin(100t - 2x) \), where x and y are in meters and t is in seconds. The velocity of the wave is:

A force \(F=4x\) is applied to move an object from \(x=0\) to \(x=2\,m\), then the work done is:

A \(5\,\text{kg}\) block pushed by \(100\,\text{N}\) over \(10\,\text{m}\) on a plane. If the coefficient of friction between the block and plane is \(0.2\), then the final kinetic energy of the block is _ _ _ (\(g=10\,\text{m s}^{-2}\)):

An engine pumps water continuously through a hose pipe. If the water leaves the pipe with velocity $v$ and $m$ is the mass per unit length of the water in the pipe, then the rate at which kinetic energy is imparted to the water is: