List of top Questions asked in AP EAPCET- 2022

A mass of 1 kg falls from a height of 1 m and lands on a massless platform supported by a spring with spring constant \( 15 \, \text{Nm}^{-1} \). The maximum compression of the spring is (take \( g = 10 \, \text{ms}^{-2} \))
A mass of 1 kg falls from a height of 1 m
In second period, X has second lowest first ionization enthalpy and Y has second highest. Identify X and Y.
Which of the following expression is correct?
The component of a vector $ \vec{P} = 3\hat{i} + 4\hat{j} $ along the direction $ \hat{i} + 2\hat{j} $ is
Assertion (A): Finely divided charcoal can act as an adsorbent
Reason (R): Finely divided material has small surface area
Assertion (A): In S.H.M kinetic and potential energy become equal when the distance is $\frac{1}{\sqrt{2}}$ times its amplitude. Reason (R): The potential energy of a particle executing S.H.M is periodic with time period being maximum at the extreme displacement.
If the rate of disappearance of N$_2$O$_5$ in the following reaction is 1.2 $\times$ 10$^{-5}$ mol L$^{-1}$ s$^{-1}$, the rate of production of NO$_2$ (in mol L$^{-1}$ s$^{-1}$) is
2N$_2$O$_5$ (g) $\rightarrow$ 4NO$_2$ (g) + O$_2$ (g)
An electromagnetic wave travels along the z-axis. At a certain point in space, the electric field is \( 8.7 \, \text{Vm}^{-1} \) along the x-axis. What is the magnitude of the magnetic field along the y-axis?
The ratio of rate of diffusion of SO$_2$ to CH$_4$ is
A large number of positive charges, each of magnitude $ q $, are placed along the x-axis at the origin and at every 1 cm distance in both directions. The electric flux through a spherical surface of radius 2.5 cm centered at the origin is:
Masses \( m \left(\frac{1}{3}\right)^N \) are placed at \( x = N \), for \( N = 2, 3, 4, \dots \). If the total mass is \( M \), then the center of mass of the system is:
One mole of an ideal monatomic gas undergoes the process A $\rightarrow$ B $\rightarrow$ C $\rightarrow$ D $\rightarrow$ A as shown in the graph. The work done during the process is
an ideal monatomic gas undergoes the process A → B → C → D →A
The correct order of coagulating power of the following ions to coagulate the positive sol is
I $[\text{Fe}(\text{CN})_6]^{4-}$, II $\text{Cl}^-$, III $\text{SO}_4^{2-}$
The colloidal solution used to treat stomach disorders is:
The compound that is used in smoke screens is:
The correct order of electromagnetic waves with increasing frequency is:
A cyclic process involves 3 states with 1 mole of ideal gas as follows:\ State 1: \( T = 300 \text{ K},\ P = 15 \text{ bar} \)\ State 2: \( T = 300 \text{ K},\ P = 10 \text{ bar} \)\ State 3: \( T = 300 \text{ K},\ P = 5 \text{ bar} \)\ Calculate the total work done during one complete cycle.
A body is suspended from a string of length 1 m and mass 2 g. The mass of the body required to produce a fundamental frequency of 100 Hz in the string is (Take \( g = 10 \, \text{ms}^{-2} \))
Metal ‘M’ in the following reaction is: \[ 2 \text{MNO}_3 \rightarrow \text{M}_2\text{O} + 2\text{NO}_2 + \frac{1}{2}\text{O}_2 \]
The frequency suitable beyond the horizon communication using sky wave is:
The volume of a gas at 30 °C temperature and 760 mm of Hg pressure is 100 cc. Then its volume at the same temperature and 400 mm of Hg is
Two forces of magnitude 4 N act on an object of mass 1 kg: \( \vec{F}_1 \) at 30° to x-axis and \( \vec{F}_2 \) along y-axis. Find the magnitude of acceleration.
Two wooden blocks of mass M\(_1\) and M\(_2\) rest on a frictionless table. A bullet of mass m is fired at M\(_1\) with speed v which embedded in it and the two together finally collide with M\(_2\). Find the velocity of M\(_2\) after collision. [Ignore any energy loss and treat the problem to be one dimensional]
The amount of heat needed to heat \( 200 \, \text{g} \) of ice at \(-10^\circ C\) to convert it into water at \(30^\circ C\) is: Specific heat capacity of ice = \( 2100 \, \text{J/kgK} \)
Specific heat capacity of water = \( 4186 \, \text{J/kgK} \)
Latent heat of fusion of ice = \( 3.35 \times 10^5 \, \text{J/kg} \)
The number of network solids and ionic solids in the list given below is respectively
H$_2$O (ice), AlN, Cu, CaF$_2$, diamond, MgO, CCl$_4$, ZnS, Ag, NaCl, SiO$_2$