List of top Questions asked in AP EAPCET- 2026

A body of mass 3 kg is under a force, which causes a displacement in it given by $S = \frac{t^3}{3}$ (in m). Find the work done by the force in first 2 seconds:

A closed organ pipe has fundamental frequency \( 100 \text{ Hz} \). Length of pipe is:

Match the following \[ \begin{array}{|c|c|} \hline \text{List-I} & \text{List-II} \\ \hline \text{A. Co, Ni} & \text{I. Electronegativity} \\ \text{B. K, Ba} & \text{II. Electron gain enthalpy} \\ \text{C. N, Cl} & \text{III. Metallic radius} \\ \text{D. Ar, Kr} & \text{IV. Standard reduction potential (-ve)} \\ \hline \end{array} \] The correct answer is

The main constituent of dettol is

\(\Delta G^\circ\) (in kJ mol\(^{-1}\)) for the cell reaction given below is \[ 2Al(s)+3Cu^{2+}(aq)\rightarrow 2Al^{3+}(aq)+3Cu(s) \] \[ \text{Given: }E^\circ_{Al^{3+}/Al}=-1.66V,\quad E^\circ_{Cu^{2+}/Cu}=+0.34V,\quad F=96500\;C\,mol^{-1} \]

The osmotic pressure of a solution is given by the relation

The number of arrangements of the letters of the word SEARCH such that no letter remains in its original position is:

If \[ \vec{a}=x\hat{i}+2\hat{j}-\hat{k}\quad (x>0) \] and \[ \vec{b}=2\hat{i}-\hat{j}+2\hat{k} \] are two vectors such that \[ |\vec{a}-2\vec{b}|=|2\vec{a}+\vec{b}|, \] then \(x=\)

At \(300^\circ C\), decomposition of azomethane follows first order kinetics. Rate constant for this reaction at this temperature is \(2.5\times10^{-4}\,s^{-1}\). If the activation energy of the reaction is \(42\,kcal\,mol^{-1}\), what is the temperature (in K) at which the half-life of the reaction is \(138.6\) seconds? \[ (R=2\,cal\,K^{-1}mol^{-1},\; \log20=1.30) \]

For a fixed amount of an ideal gas, its pressure is measured as a function of volume at three different temperatures ($T_1, T_2, T_3$). What is the correct order of temperatures? figure [H]

figure

If the dimensional formula of a physical quantity is $[M^1 L^2 T^{-2}]$, then the quantity is:

At T(K) the $K_c$ for the reactions (I) and (II) are $2.4 \times 10^{30}$ and 1.4 respectively. What is the $K_c$ value for: $\frac{1}{2}N_2(g) + \frac{1}{2}O_2(g) + \frac{1}{2}Br_2(g) \rightleftharpoons NOBr(g)$?

Two cars move in the same direction with velocities \(20\ \text{m/s}\) and \(30\ \text{m/s}\). The velocity of one car relative to the other is:

According to Faraday's first law of electrolysis, the mass of substance deposited ($w$) is proportional to

A rocket is fired vertically from the surface of the earth with quarter the escape speed. If R is radius of the earth, the maximum altitude reached by the rocket is:

Magnetic moment of an electron moving in a circular orbit of radius \(r\) with a speed \(v\) is

The velocity of electromagnetic waves in vacuum is given by

Which allotrope of carbon is thermodynamically most stable?

Consider the following statements:
Statement - I: The variance of the first n even natural numbers is \( \frac{n^{2}-1}{4} \)
Statement - II: The difference between the variance of the first 20 even natural numbers and their mean is 112
Which of the following is correct?

If the function \[ f(x)=\begin{cases}\frac{e^{b(x-1)^{2}}-1}{\sqrt{x^{2}-1}} & , \text{for } x>1 \\ \sqrt{2} & , \text{for } x=1 \\ \log\left(\frac{1+bx}{1-bx}\right)\frac{1}{\sin^{2}x} & , \text{for } 0<x<1 \end{cases} \] is continuous at \( x=1 \), then \( \lim_{x \rightarrow 2} \frac{x^{2}-5x+6}{x-2} = \)

If $x=\alpha$, $y=\beta$, $z=\gamma$ satisfy the equations \[ 3x+y+2z+2=0, \] \[ 2x-3y+z-7=0, \] \[ x-4y+3z-1=0, \] then \[ \alpha^3-\beta^3= \]

A resistor of resistance 30 $\Omega$ and a capacitor of reactance 40 $\Omega$ are connected in series to an ac supply. If the rms current through the resistor is 2 mA, then the wattless current is:

A wire of resistance $R$ is stretched to double its original length. Its new resistance will be [H] [width=0.5\linewidth]{107.png}

Let \[ O(0,0,0) \] and \[ A(2,1,-3) \] be vertices of a triangle \(OAB\). If \[ (-1,2,1) \] is the midpoint of side \(AB\), and the perimeter of the triangle is \[ \sqrt2\,(k+l\sqrt7+m\sqrt{13}), \] then the value of \[ k+l+m \] is: