List of top Questions asked in AP EAPCET- 2026

A solar cell has a light gathering area of \( 10\,\text{cm}^{2} \) and produces 0.2 A at 0.8 V (D.C.) when illuminated with sunlight of intensity \( 1000\,\text{Wm}^{-2} \). The efficiency of the solar cell is:

In the circuit shown in the figure, the current (I) is 6 A when \( R_{3} \) is infinite and current (I) is 9 A when \( R_{3} \) is short circuited. Then the values of \( R_{1} \) and \( R_{2} \) are respectively:

A spherical perfect black body of radius 10 cm is maintained at \( 727^{\circ}C \). The total power radiated from it is (approximately) Stefan-Boltzmann constant, \( \sigma=5.67\times10^{-8} \, Wm^{-2}K^{-4} \)

A uniform metal wire is suspended from a rigid ceiling and a solid sphere is attached to the second end of the wire. If the radius of the sphere is doubled and then immersed in a liquid whose density is 60% of the density of the material of the sphere, then the percentage increase in the elongation of the wire is:

Match the following physical quantities with their dimensional formulae: \[ \begin{array}{ll} \text{A) Gravitational potential} & \text{I) } LT^{-2} \\ \text{B) Gravitational potential energy} & \text{II) } L^{2}T^{-2} \\ \text{C) Gravitational constant} & \text{III) } ML^{2}T^{-2} \\ \text{D) Gravitational intensity} & \text{IV) } M^{-1}L^{3}T^{-2} \end{array} \] The correct match is:

The area (in sq. units) of the region bounded between the curve \( y=x^{2}+5x+1 \) and the line \( 7x-y+1=0 \) is

If \( f(x)=|x-2|(3^{4|x|}-1) \) is a real valued function, then the set of points at which f is not differentiable, is

\( A(1,2,3) \), \( B(3,4,k) \), \( C(2,1,4) \) form an isosceles triangle. If \( AB=BC \), then the area of \( \triangle ABC \) is

If the angle between the planes \( \lambda x-2y+3z+1=0 \) and \( 2x+3y-\lambda z+\lambda=0 \) is \( \cos^{-1}(\frac{12}{49}) \) and \( \lambda\in\mathbb{Z} \), then the sum of the perpendicular distances from the origin to these planes is

The value of \( \lim_{x\rightarrow0}\frac{e^{2x^{2}}-\cos 2x}{x^{2}} = \)

The value of \( \lim_{x\rightarrow\infty}\frac{x^{3}+2x^{2}\sin x-4x \cos x}{\sqrt{(3x^{2}+2x \cos x)^{3}}} = \)

If the lengths of the sides of a triangle a, b, c \( (a>b>c) \) are in arithmetic progression and the greatest angle is twice the smallest, then a: b: \( c= \)

The partial fraction decomposition of \( \frac{x^{4}+24 x^{2}+28}{(x^{2}+1)^{3}} \) is

The correct order of their acidic strength for the given compounds is:

Artificial sweetener with glycosidic linkage is X. Another one with dipeptide and ester linkage is Y. Correct statement regarding X and Y is:

Which of the following pairs of ions are not paramagnetic in nature? (Atomic Number: $La=57$, $Ce=58$, $Eu=63$, $Gd=64$, $Tb=65$, $Yb=70$, $Lu=71$)

Formation of micelles takes place only above a particular temperature. This temperature is known as:

At T(K), 0.004 M $Na_2SO_4$ solution is isotonic with 0.01 M glucose solution. The degree of dissociation of $Na_2SO_4$ is:

Consider the following carbocations: (I) $(CH_3)_2CH-CH_2^+$, (II) $CH_2=CH-C^+H-CH_3$, (III) $(CH_3)_2CH-C^+H-CH_3$. The correct order of stabilities of these is:

Which of the following point defects are shown by AgBr crystals? I. Metal excess defect, II. Schottky defect, III. Metal deficiency defect, IV. Frenkel defect

0.42 g of an organic compound containing C, H and O gave on combustion 0.942 g of $CO_2$ and 0.231 g of $H_2O$. The empirical formula weight of the compound is (At.wt: $C=12$ u, $H=1$ u, $O=16$ u)

Borax $+ H_2O \rightarrow A + B$. What are A and B respectively?

One mole of $A(g)$ was taken in a 1L closed flask and heated to T(K). At equilibrium, the concentration of $A(g)$ is equal to four times the equilibrium concentration of $B(g)$. What is $K_c$ for $A(g) \rightleftharpoons B(g) + C(g)$?

In the given logic circuit, the bulb will glow for which of the following combinations: figure [H]

figure

Which of the following set of quantum numbers represent the electron with highest energy?