List of top Questions asked in TS EAMCET- 2026

Identify sets with only extensive or only intensive properties.

Buffer contains $[X^-]:[HX]=1:10$, and $K_b = 10^{-10}$. Find pH.}

10 L vessel contains He (0.4 g), O$_2$ (1.6 g), N$_2$ (1.4 g). Find partial pressure of He at 300 K.

The pair of elements which do NOT form superoxides in excess oxygen is:

Identify the correct statements:
I. Hydrogen bonding is present in liquid water and ice.
II. Hydrogenation of vegetable oils produces vanaspati fat.
III. Water present in BaCl$_2\cdot2$H$_2$O is interstitial water.

A compound has 10.06% C, 0.84% H, 89.10% Cl. Find simplest ratio of C:H:Cl.

Identify correct orders of covalent character:

Match molecules with correct geometries:
BrF$_5$, XeF$_4$, ClF$_3$, SF$_4$

Energy of orbit X of Li$^{2+}$ is $-2.18\times10^{-18}$ J. Find radius of same orbit (in Å).}

If $v_0$ is threshold frequency and $v$ is incident frequency, velocity of photoelectrons is:

Which of the following statements are NOT correct?
I. Addition of electron to a gaseous atom is always exothermic.
II. Removal of electron from gaseous atom is always endothermic.
III. First ionization enthalpy of oxygen is greater than nitrogen.
IV. In group I elements lithium is least electropositive.

Identify correct orders with respect to properties:
I. B < Al < Mg < K (metallic character)
II. Si < P < C < N (electronegativity)
III. Si < C < N < F (non-metallic character)
IV. Al < Mg < S < P (ionization enthalpy)

Approximate bandwidth required to transmit music is:

Ratio of wavelengths of first and third Lyman spectral lines of hydrogen atom is:

An electron in n-region enters p-region with speeds $5\times10^5$ m/s and $3\times10^5$ m/s before and after barrier. Find barrier potential.

Two OR gates and one AND gate are connected as shown. Find correct truth table output Y.

If a thorium nucleus of mass number 232 and atomic number 90 emits six $\alpha$-particles and four $\beta$-particles, then the ratio of number of protons to neutrons in the final nucleus is:

Electron-positron annihilation produces photons. Momentum of each photon is: (m = $9\times10^{-31}$ kg)

The rms electric field of an EM wave is $30\sqrt{\pi}\ \text{V m}^{-1}$. Find its intensity in free space.}

A series RC circuit has R = $\frac{125}{\sqrt{3}}\ \Omega$, C = $\frac{40}{\pi}\ \mu F$, and f = 100 Hz. Find phase difference between current and voltage.}

A proton and alpha particle enter same magnetic field with same KE at 30° angle. Ratio of pitches is:

The magnetic flux linked with a coil varies as $\phi = 2.5t^2 + 5t + 7$ (t in s). If the induced electric power at t = 3 s is 2 W, then the power at t = 5 s is:

Work function = 1.8 eV. KE max = 2.2 eV. Frequency is doubled. Find new KE max.

If magnetic field at equator is 0.4 G, earth's magnetic dipole moment is of order: (R = 6400 km)

In a meter bridge, balancing point is at 25 cm. After shunting both resistances equally, balance shifts by 15 cm. Find $R_1$ and $R_2$.