List of top Questions asked in AP EAMCET- 2024

Which of the following will make a basic buffer solution?

At \(T\) K, the equilibrium constant for the reaction \[ {H}_2(g) + {Br}_2(g) \rightleftharpoons 2 {HBr}(g) \] is 1.6 \(\times\) 10\(^{1}\). If 10 bar of HBr is introduced into a sealed vessel at \(T\) K, the equilibrium pressure of HBr (in bar) is approximately:

What is the ratio of kinetic energies of \(3 \, {g}\) of hydrogen and \(4 \, {g}\) of oxygen at a certain temperature?

Among the following species, the correct set of isomolecular pairs are: \[ \mathrm{XeO}_3, \, \mathrm{CO}_3^{2-}, \, \mathrm{SO}_3, \, \mathrm{H}_3\mathrm{O}^+, \, \mathrm{ClF}_3 \]

Match the following elements with their correct classifications:

If uncertainty in position and momentum of an electron are equal, then uncertainty in its velocity is:

If the energy gap of a substance is 5.4 eV, then the substance is:

The voltage gain and current gain of a transistor amplifier in common emitter configuration are respectively 150 and 50. If the resistance in the base circuit is 850 \(\Omega\), then the resistance in the collector circuit is:

One mole of radium has an activity of \( \frac{1}{6.3 \times 10^{37}} \) kilo curie. Its decay constant is:

Three parallel plate capacitors of capacitances \(4 \mu F\), \(6 \mu F\), and \(12 \mu F\) are first connected in series and then in parallel. The ratio of the effective capacitances in the two cases is:

Three point charges \( +q, +2q, \) and \( +4q \) are placed along a straight line such that the charge \( +2q \) lies equidistant from the other two charges. The ratio of the net electrostatic force on charges \( +q \) and \( +4q \) is:

An ideal gas is kept in a cylinder of volume \(3 \, {m}^3\) at a pressure of \(3 \times 10^5 \, {Pa}\). The energy of the gas is

The absorption coefficient value of a perfect black body is

What is the height from the surface of earth, where acceleration due to gravity will be \( \frac{1}{4} \) of that of the earth? (Re = 6400 km)

A horizontal board is performing simple harmonic oscillations horizontally with an amplitude of \(0.3 \, {m}\) and a period of \(4 \, {s}\). The minimum coefficient of friction between a heavy body placed on the board if the body is not to slip is:

A small disc is on the top of a smooth hemisphere of radius 'R'. The smallest horizontal velocity 'V' that should be imparted to the disc so that the disc leaves the hemisphere surface without sliding down (there is no friction) is

A block of metal 2 kg is in rest on a smooth plane. It is struck by a jet releasing water of 1 kg s\(^{-1}\) at a speed of 5 m s\(^{-1}\), then the acceleration of the block is

A particle revolving in a circular path travels the first half of the circumference in 4 s and the next half in 2 s. What is its average angular velocity?

If two stones are projected at angle \( \theta \) and \( (90^\circ - \theta) \) respectively with horizontal with a speed of \( 20 \, {m/s} \). If the second stone rises \( 10 \, {m} \) higher than the first stone, then the angle of projection \( \theta \) is (acceleration due to gravity = \( 10 \, {m/s}^2 \)):

Find the dimension formula of \(\frac{a}{b}\) in the equation \( F = a\sqrt{x} + bt^2 \), where \(F\) is a force, \(x\) is distance and \(t\) is time.

The general solution of the differential equation \( (x \sin \frac{y}{x}) dy = (y \sin \frac{y}{x} - x) dx \) is:

Determine the order and degree of the differential equation \( \frac{d^3y}{dx^3} = \left[1 + \left(\frac{dy}{dx}\right)^2\right]^{5/2} \):

Evaluate the integral \( \int_0^{\pi} \frac{x \sin x}{1 + \cos^2 x} \, dx \):