List of top Questions asked in TS EAMCET- 2026

Consider the following species: \[ Li_2,\; B_2,\; Be_2,\; C_2,\; O_2,\; O_2^{2-},\; F_2 \] The number of species with bond order value 1 is:

The resultant logic gate of the combination of logic gates given in the circuit is:

Identify the pairs in which electron gain enthalpy of the first element is more than that of the second element. \[ \text{I. } F,\ Br \] \[ \text{II. } Na,\ Li \] \[ \text{III. } S,\ O \]

The ratio of wavenumber of first line of Balmer series and wavenumber of second line of Lyman series of hydrogen atom is:

The layer of the atmosphere that efficiently reflects high frequency waves particularly at night is:

The wavelength of electron in the orbit X of hydrogen atom is \(6\pi a_0\). What is the value of X? (\(a_0=\) radius of first orbit of hydrogen atom)

The substance which has an energy band gap equal to the energy of the spectral line corresponding to the shortest wavelength of Paschen series of the hydrogen spectrum is:

An LC circuit with negligible resistance containing a 20 mH inductor and a 50 \(\mu F\) capacitor with an initial charge of 10 mC is closed at \(t=0\). Then the minimum time taken (in \(\mu s\)) for the total energy to be shared equally between the inductor and capacitor is:

The rms value of electric field at a distance of 6 m from a 100 W bulb of efficiency 1.2% is:

The number of alpha and beta decays occurred when \(_{92}^{238}U\) changes to \(_{82}^{206}Pb\) are respectively:

If a radioactive substance decays by 40% and 70% in 10 and 30 minutes respectively, then the time taken for the substance to decay by 50% (in minutes) is:

When two resistances \(P\) and \(Q\) are connected in the left and right gaps of a meter bridge respectively, the balancing point is obtained at a distance greater than \(25\,cm\). If the resistance \(P\) is increased by \(5\Omega\), the balancing point shifts by \(10\,cm\). After that, if the resistance \(Q\) is halved, the balancing point further shifts by \(15\,cm\), then the initial value of \(P\) is:

If the susceptibility of a paramagnetic substance at a temperature of \(23^\circ C\) is \(2.3\times10^{-5}\), then its susceptibility at a temperature of \(467^\circ C\) is:

If a thin conducting wire of length \(12m\) carrying a current of \(2\sqrt3 A\) is bent into a regular hexagonal loop and placed in a uniform magnetic field of \(2T\), then the maximum torque acting on the loop is:

The lengths of two copper wires A and B are 180 cm and 270 cm respectively. If the mass of wire A is twice the mass of wire B and the electrical resistance of wire A is \(200\Omega\), then the electrical resistance of wire B is:

A current of \(\frac{1}{3\pi}\,A\) passes through an ideal toroid of 900 turns per metre. If the relative permeability of the material of the core of the toroid is 400, then the magnetic field inside the core of the toroid is:

The magnetic energy stored per unit volume in a solenoid with 1000 turns per metre carrying a current of 0.7 A is:

A, B and C are three capacitors. If A and B are connected in series, the effective capacitance is \(6\mu F\). If B and C are connected in series, the effective capacitance is \(4\mu F\). If A and C are connected in series, the effective capacitance is \(3\mu F\). If these three capacitors are connected in parallel, the effective capacitance is:

In an isosceles right angled triangle ABC, the equal sides AB and AC are 10 cm. Charges \(+5\mu C\), \(+20\mu C\) and \(+20\mu C\) are placed at A, B and C respectively. A charge \(+2\mu C\) is placed at the midpoint of BC. The net electrostatic force on it is:

The objective of a microscope is immersed in a liquid of refractive index 1.5. If the semi-vertical angle of the cone of light rays of wavelength 600 nm from the object that fall on the objective is \(30^\circ\), then the minimum resolvable distance for this microscope is:

The ratio of the speeds of light in a prism P and in vacuum is \(1:\sqrt3\) and the angle of minimum deviation is \(60^\circ\). In another prism Q of same angle of prism, if the angle of minimum deviation is \(30^\circ\), then the refractive index of the material of prism Q is:

Two stationary sources P and Q produce sounds of equal frequency of \(170\,Hz\). The velocity with which an observer has to move from source P towards source Q such that 8 beats are heard per second by the observer is:

A point object is at rest on the principal axis at a distance of 20 cm from a concave mirror of radius of curvature 30 cm. Under the action of a horizontal force, the object moves away from the mirror along the axis and reaches a distance of 40 cm from the mirror in a time of 3 s. The acceleration of the image is:

At constant pressure, if equal amounts of heat are supplied to a monoatomic gas and a rigid diatomic gas, then the ratio of the changes in the internal energies of the monoatomic and diatomic gases is:

The emissivities of the surfaces of two spheres P and Q of radii \(2R\) and \(3R\) are 0.35 and 0.7 respectively. The ratio of the powers radiated by the spheres P and Q is \(9:8\). If the wavelength at which sphere P emits radiations of maximum intensity is \(4000\ \text{\AA}\), then the wavelength at which sphere Q emits radiations of maximum intensity is: