List of top Questions asked in AP EAMCET

Identify B in the given reaction sequence:

Match the following bond enthalpies with their respective bonds:

The speed of a projectile at its maximum height is $ \frac{\sqrt{3}}{2} $ times its initial speed. If the range of the projectile is $ n $ times the maximum height attained by it, then $ n $ is equal to:

One bar magnet is in simple harmonic motion with time period $ T $ in an earth’s magnetic field. If its mass is increased by 9 times, the time period becomes:

The structure given below represents:

Two blocks of equal masses are tied with a light string passing over a massless pulley (Assuming frictionless surfaces). The acceleration of the centre of mass of the two blocks is (Given $ g = 10 \, \text{m/s}^2 $):

A conducting rod of length $ l $ and mass $ m $ is placed over a smooth horizontal plane. A magnetic field $ B $ is acting perpendicular to the rod. If a charge $ q $ is suddenly passed through the rod and the rod acquires an initial velocity $ v $ on the plane surface, then the charge $ q $ is:

An alkyl halide C$_4$H$_8$Br(X) undergoes hydrolysis preferably in polar protic solvents. X can be prepared from which of the following reactants?

The number of extensive properties in the following list is: Enthalpy, density, volume, internal energy, temperature.

A superconductor exhibits:

If all the letters of the word ‘SENSELESSNESS’ are arranged in all possible ways and an arrangement among them is chosen at random, then, the probability that all the E’s come together in that arrangement is:

If the area of the circum-circle of the triangle formed by the line 2x + 5y + a = 0 and the positive coordinate axes is $\frac{29\pi}{4}$ sq. units, then |a| =

Which of the following reactions is not a metal displacement reaction?

If the maximum and minimum voltages of an A.M wave are $ V_{\max} $ and $ V_{\min} $ respectively, then the modulation factor ‘m’ is

An alternating current is given by $ i = (3 \sin \omega t + 4 \cos \omega t) $ A. The rms current will be:

If the plane \[ x - y + z + 4 = 0 \] divides the line joining the points \[ P(2,3,-1) \quad {and} \quad Q(1,4,-2) \] in the ratio $ l:m $, then $ l + m $ is:

Two long straight parallel conductors A and B carrying currents 4.5 A and 8 A respectively are separated by 25 cm in air. The resultant magnetic field at a point which is a distance of 15 cm from conductor A and 20 cm from conductor B is:

Which of the following is insoluble in water?

An insect is crawling in a hemi-spherical bowl of radius $ R $. If the coefficient of friction between the insect and bowl is $ \mu $, then the maximum height to which the insect can crawl the bowl is

For $ a \in \mathbb{R} \setminus \{0\} $, if $ a \cos x + a \sin x + a = 2K + 1 $ has a solution, then $ K $ lies in the interval:

In $\triangle ABC$, $bc - r_2 r_3 = $

If the curves $$ 2x^2 + ky^2 = 30 \quad \text{and} \quad 3y^2 = 28x $$ cut each other orthogonally, then $ k = $

Two ideal gases A and B of the same number of moles expand at constant temperatures $ T_1 $ and $ T_2 $ respectively such that the pressure of gas A decreases by $ 50% $ and the pressure of gas B decreases by $ 75% $. If the work done by both the gases is the same, then the ratio $ T_1:T_2 $ is:

If the points having the position vectors $ \mathbf{r}_1 = -i + 4j - 4k$, $ \mathbf{r}_2 = 3i + 2j - 5k$, $ \mathbf{r}_3 = -3i + 8j - 5k$ and $ -3i + 2j + \lambda k$ are coplanar, then $\lambda = $

In a potentiometer, the area of cross-section of the wire is 4 cm$^2$, the current flowing in the circuit is 1 A, and the potential gradient is 7.5 Vm$^{-1}$. Then the resistivity of the potentiometer wire is