List of top Questions asked in AP EAPCET- 2026

A liquid flows with velocity $2$ m/s through a pipe of diameter $0.01$ m. Density = $1000$ kg/m$^3$, viscosity = $0.5$ kg/m$\cdot$s. Reynolds number is:

The value of the integral \(\int_{0}^{3\pi/2} \frac{\cos^3 x}{\cos^3 x + \sin^3 x} \, dx\) is:

The value of the integral \(\int_{0}^{\pi/2} \frac{\sin^{3/2} x}{\sin^{3/2} x + \cos^{3/2} x} \, dx\) is equal to:

The value of the integral \(\int_{5}^{9} \frac{\log(3x^2)}{\log(3x^2) + \log(588 - 84x + 3x^2)} \, dx\) is equal to:

The value of the integral \(\int_{0}^{\pi} \frac{x \sin x}{\sin^2 x + 2 \cos^2 x} \, dx\) is:

The value of the integral \(\int_{0}^{\pi} \frac{x \sin x}{1 + \cos^2 x} \, dx\) is:

The signs of $\Delta$H and $\Delta$s for a reaction to be spontaneous at all temperatures respectively are

For which of the following process entropy change ($\Delta$S) is negative ?
• [I)] Sublimation of dry ice
• [II)] Freezing of water
• [III)] Crystallisation of the dissolved substance
• [IV)] Burning of rocket fuel

For the reaction N$_2$ + 3H$_2$ $\rightarrow$ 2NH$_3$, $\Delta$H = ?

At 273 K the maximum work done when pressure on 10g of hydrogen is reduced from 10atm to 1 atm under isothermal, reversible conditions is

An organic compound has the empirical formula CH$_2$O. Its vapour density is 45. The molecular formula of compound is

A soap bubble of radius $1$ cm has surface tension $0.03$ N/m. Excess pressure inside is:

A pipe has cross-sectional areas $4$ cm$^2$ and $1$ cm$^2$. If velocity in the wider section is $2$ m/s, velocity in the narrower section is:

Water flows in a horizontal pipe. At a point where speed is $2$ m/s, pressure is $2000$ Pa. At another point, speed becomes $4$ m/s. Find pressure at second point. (Density $= 1000$ kg/m$^3$)

A wire extends by $1$ mm under $100$ N. Extension under $300$ N is:

Pressure of $2 \times 10^6$ Pa causes volume decrease of $0.1\%$ in a material. Bulk modulus is:

The value of the integral \(\int_{0}^{2} x^2 (2 - x)^5 \, dx\) is:

The value of the integral \( \int_{0}^{4} ||x - 2| - x| dx = \)

If \( [ ] \) denotes the greatest integer function, then \( \int_{1}^{2} [x^2] dx = \)

If the system of equations \( 2x + py + 6z = 8 \), \( x + 2y + qz = 5 \) and \( x + y + 3z = 4 \) has infinitely many solutions, then \( p = \)

Which of the following pairs of gases contains the same number of molecules?

Calculate the amount of \( CO_2 \) gas produced, when \( 32 \)g of \( CH_4 \) is burned with sufficient amount of oxygen (Given atomic weight of \( C=12, O=16 \) and \( H=1 \))

Identify the correct set of molecules with zero dipole moment.

Consider the following:
a) 0.0025
b) 500.0
c) 2.0034
Number of significant figures in A, B and C respectively are

The IUPAC name of an element with atomic number \( 119 \) is: