List of top Questions asked in TS EAMCET- 2025

When 100 mL of 0.2 M solution of \(\text{CoCl}_3 \cdot x\text{NH}_3\) is treated with excess of \(\text{AgNO}_3\) solution, \(3.6 \times 10^{22}\) ions are precipitated. The value of \(x\) is \((N = 6 \times 10^{23} \text{mol}^{-1})\)

'X' is a polymer, which is mainly used for making unbreakable cups and laminated sheets. The monomers of 'X' are

Observe the following statements
Statement - I: Both LiF and CsI have low solubility in water
Statement - II: Low solubility of LiF in water is due to smaller hydration enthalpy of ions and that of CsI is due to its high lattice enthalpy
The correct answer is

Identify the correct statements from the following
I. LiF is less soluble in water than NaF
II. Both LiCl and MgCl\(_2\) are insoluble in ethanol
III. Both Li and Mg form nitrides
IV. Na\(_2\)CO\(_3\) gives CO\(_2\) on heating

Consider the following statements.
I. In the conversion of \( \text{O}_2 \) to \( \text{O}_2^{2+} \) bond order decreases.
II. In the conversion of \( \text{O}_2 \) to \( \text{O}_2^{+} \) magnetic property is not changed.
III. In the conversion of \( \text{O}_2 \) to \( \text{O}_2^{+} \) bond length decreases.
IV. \( \text{O}_2^{2-} \) and \( \text{B}_2 \) have same bond order.
Identify the correct statements

When burnt in excess of oxygen, sodium forms a compound X and potassium forms a compound Y. The magnetic natures of X and Y respectively are

A particle initially at rest is moving along a straight line with an acceleration of 2 ms⁻². At a time of 3 s after the beginning of motion, the direction of acceleration is reversed. The time from the beginning of the motion in which the particle returns to its initial position is

A person wearing a parachute jumps off a plane from a height of 2 km from the ground and falls freely for 20 m before his parachute opens. After his parachute opens if he continues to move uniformly with the velocity attained due to his freefall, the total time taken by the person to reach the ground is (Acceleration due to gravity = 10 ms$^{-2}$)

A body X is allowed to fall freely from a height of 125 m from the ground and another body Y is thrown at the same instant vertically upwards with a velocity of $50 ms^{-1}$ from the ground. The relative velocity of the body Y with respect to the body X when they cross each other is

A motor cyclist is travelling towards north with a uniform speed of 10 ms\textsuperscript{−1} and a train is travelling towards north-west with a uniform speed of 102 ms\textsuperscript{−1}. The direction of motion of the motor cyclist as observed by a passenger in the train is

For a particle moving along a straight line path, the displacements in third and fifth seconds of its motion are 10 m and 18 m respectively. The speed of the particle at time t=4s is

A body is falling freely under gravity from a certain height from the ground. If the sum of the displacements of the body in the second and third seconds of its motion is 32% of the height from which it is falling, then the speed with which the body hits the ground is (Acceleration due to gravity = $10~\text{m s}^{-2}$)

If a body projected with a velocity of 19.6 ms⁻¹ reaches a maximum height of 9.8 m, then the range of the projectile is (Neglect air resistance)

If the length of a rod is measured as 830600 mm, then the number of significant figures in the measurement is

If A, B and C are three different physical quantities with different dimensional formulae, then the combination which can never give a proper physical quantity is

A piece of length 3.532 m is cut from a rod of length 43.4 m. The length of the remaining rod in metre is (up to correct significant figures)

In an experiment, the coefficient of viscosity (in mPa s) of a liquid was determined as 2.62, 2.68, 2.58, 2.57, 2.54 and 2.55. The mean absolute error in the determination of the coefficient of viscosity of the liquid is

The error in the measurement of force acting normally on a square plate is 3%. If the error in the measurement of the side of the plate is 1%, then the error in the determination of the pressure acting on the plate is

Klystron valve is used to produce

The amplitude of the electric field associated with a light beam of intensity $\frac{15}{\pi}$ Wm$^{-2}$ is

For a plane electromagnetic wave travelling in free space along X-axis, the magnetic field at a particular point in space is $\vec{B} = 2.1 \times 10^{-8} \hat{k} \, T$. The magnitude of the electric field at this point is

If the rate of change in electric flux between the plates of a capacitor is \(9\pi \times 10^3 \text{ Vms}^{-1}\), then the displacement current inside the capacitor is

If the electric field of a plane electromagnetic wave is $E_z = 60\sin(0.5\times 10^3x + 1.5\times 10^{11}t)$ Vm$^{-1}$, then the magnetic field of the wave is

The ratio of the kinetic energies of the electrons in the third and fourth excited states of hydrogen atom is