List of top Questions asked in AP EAPCET

The standard reduction potentials are: \( E^\circ_{\text{Ag}^+/\text{Ag}} = +0.80\, \text{V} \) and \( E^\circ_{\text{Cu}^{2+}/\text{Cu}} = +0.34\, \text{V} \). What will happen when a copper rod is placed in a solution of silver nitrate?

The logic gate equivalent to the circuit given in the figure is

If \( \alpha, \beta, \gamma \) are the roots of the equation \( x^3 + ax^2 + bx + c = 0 \), then \( (\alpha + \beta - 2\gamma)(\beta + \gamma - 2\alpha)(\gamma + \alpha - 2\beta) = \)
A rectangular slab consists of two cubes of copper and brass of equal sides having thermal conductivities in the ratio \(4 : 1\). If the free face of brass is at \(0^\circ \text{C}\) and that of copper is at \(100^\circ \text{C}\), then the temperature of their interface is
If the earth's magnetic field at a certain place has a horizontal component of $ 5 $ gauss and a total field of $ 13 $ gauss, then the angle of dip at that place is:
If the mass and the radius of a solid sphere are 0.22 kg and \( 20\sqrt{5}\,{cm} \), then its radius of gyration about its diameter is
A bag contains 4 red and 6 blue balls. Two balls are drawn one after the other without replacement. What is the probability that the second ball drawn is red, given that the first ball drawn was blue?
A circle \( S = x^2 + y^2 - 16 = 0 \) intersects another circle \( S' = 0 \) of radius 5 units such that their common chord is of maximum length. If the slope of that chord is \( \dfrac{3}{4} \), then the centre of such a circle \( S' = 0 \) is:
The ratio of the orders of the spacings of nuclear energy levels and atomic energy levels is:
If \( a \pm bi \) and \( b \pm ai \) are roots of \( x^4 - 10x^3 + 50x^2 - 130x + 169 = 0 \), then find the value of \( \frac{a}{b} + \frac{b}{a} \).
Each nuclear fission of \( {}^{235}\text{U} \) releases 200 MeV of energy. If a reactor generates 1 MW power, then the rate of fission in the reactor is
If a heat engine and a refrigerator are working between the same two temperatures \(T_1\) and \(T_2\) (\(T_1>T_2\)), then the ratio of efficiency of heat engine to coefficient of performance of refrigerator is
Observe the following given changes: \[ \text{wood} \xrightarrow[\text{absence of air}]{\text{high temperature}} X
\text{coal} \xrightarrow[\text{absence of air}]{\text{high temperature}} Y \] X and Y respectively are:
If A(1,0), B(0,-2), C(2,-1) are three fixed points, then the equation of the locus of a point P such that area of \( \triangle \text{PAB} \) is equal to area of \( \triangle \text{PAC} \) is
A ball is projected from a point with a speed $v$, at a certain angle with the horizontal. From the same point and at the same instant, a person starts running with a constant speed $0.5v$, to catch the ball. If the person catches the ball after some time, then the angle of projection of the ball is
Identify the correct option from the following:

How many molecules are present in 4.4 grams of CO\(_2\)? 
(Molar mass of CO\(_2\) = 44 g/mol, Avogadro's number = \(6.022 \times 10^{23}\))

In \(\triangle ABC\), if \(A = 30^\circ\) and

\[ \frac{b}{(\sqrt{3}+1)^2 + 2(\sqrt{2} - 1)}, \quad \frac{c}{(\sqrt{3}+1)^2 - 2(\sqrt{2} - 1)}, \]

Then find the angle \(B\).

A$(-2, 3)$ is a point on the line $4x + 3y - 1 = 0$. If the points on the line that are 10 units away from the point A are $(x_1, y_1)$ and $(x_2, y_2)$, then $(x_1 + y_1)^2 + (x_2 + y_2)^2 =\ ?$
Coefficient of $x^2$ in the expansion of $(x^2 + x - 2)^5$ is
The logic gate equivalent to the circuit shown in the figure is:
The logic gate equivalent
$\int_0^\pi \frac{x \sin x}{1 + \cos^2 x} \, dx =$
Identify the correct option from the following:
When a wire is connected in the left gap of a metre bridge, the balancing point is at \( 40 \) cm from the left end of the bridge wire. If the wire in the left gap is stretched so that its length is doubled and again connected in the same gap, then the balancing point from the left end of the bridge wire is:
Which of the following sets are correctly matched?
I) Hg — distillation
II) Cu — poling
III) B — zone refining
IV) Ti — liquation
If $ \tanh^{-1} x = \coth^{-1} y = \log \sqrt{5} $, then find $ \tan^{-1}(xy) = ? $
The number of distinct quadratic equations $ax^2 + bx + c = 0$ with unequal real roots that can be formed by choosing the coefficients $a, b, c$ (with $a \ne 0$) from the set $\{0,1,2,4\}$ is