List of top Questions asked in AP EAPCET- 2026

Which of the following orders are not correct regarding first ionisation enthalpy of the given elements (I: B>Al, II: Al>Ga, III: Ga>In, IV: In>Tl)?
The ground state electronic configuration of Gadolinium (Z=64) is:
The energy of the second bohr orbit of the hydrogen atom is $-328 \text{ kJ mol}^{-1}$; hence the energy of the fourth bohr orbit would be:
The electric potential at a distance $r$ from a point charge $q$ is proportional to
Which of the following orders is not correct for the given property?
A wire is stretched to double its length. New resistance becomes:
Which of the following gases causes greenhouse effect?
If electric potential is constant in a region, electric field in that region is:
Match the water softening methods in List-1 with the chemicals/reagents in List-2: [h] {|l|l|} List -1 (Method) & List -2 (Reagent)
(A) Calgon method & (I) RSO\(_3\)H
(B) Ion exchange method & (II) Ca(OH)\(_2\)
(C) Clark's method & (III) NaAlSiO\(_4\)
(D) Synthetic resin method & (IV) Na\(_6\)(PO\(_3\))\(_6\)
Given below are two statements: Statement I: The formation of \([O_2]^+[PtF_6]^-\) is the basis for the formation of xenon fluorides. Statement II: \(O_2\) and Xe have almost the same first ionization enthalpies.
Identify the correct arrangement of taxonomic categories in ascending order.
The work done in stretching a wire by 1 mm is 2 J. The work necessary for stretching another wire of the same material but triple the radius and one third of length by 1 mm is:
If power dissipated in the $9~\Omega$ resistor in the circuit shown is 36 W, the potential difference across the $2~\Omega$ resistor is: figure [H]
figure
Identify the correct order of the given compounds against the given property:
Two statements are given below: Statement I: Aspirin inhibits the synthesis of chemicals which stimulate inflammation. Statement II: The enzyme that degrades noradrenaline is inhibited by iproniazid. The correct answer is:
A particle moves in a horizontal circle. If its speed is doubled, the centripetal force acting on it becomes:
The time period of a simple pendulum of length $l$ is $T$. If its length is increased to $4l$, its new time period will be
At 298 K, $E^{\circ}$ value of the cell involving $2 Fe^{3+}(aq) + 2 I^-(aq) \rightarrow 2 Fe^{2+}(aq) + I_2(s)$ is X V. The X (in V) and $\log K_c$ for the reaction are respectively: ($E^{\circ}_{Fe^{3+}/Fe^{2+}} = 0.77$ V, $E^{\circ}_{I_2/I^-} = 0.54$ V)
A magnetic needle kept in a non-uniform magnetic field experiences:
Two identical short bar magnets, each having a magnetic moment of 10 \( \text{Am}^{2} \) are arranged such that their axial lines are perpendicular to each other and their centres be along the same straight line in a horizontal plane. If the distance between their centres is 0.2 m, the resultant magnetic induction at a point midway between them is: (\( \mu_{\circ}=4\pi\times10^{-7}~\text{Hm}^{-1} \))
The force experienced by a charge $q$ moving with velocity $v$ in a magnetic field $B$ is maximum when the angle between $v$ and $B$ is
In a reaction 2A $\rightarrow$ product, the concentration of A decreases from 0.5 M to 0.4 M in 10 minutes. The rate of the reaction (in mol $L^{-1} min^{-1}$) is:
The interstitial hydrides of which set of metals have same lattice as that of the parent metals?
According to Ohm's law, the relation between the electric current $I$ and the potential difference $V$ across a conductor is
After binary fission in Paramecium opisthe develops new: