AP EAPCET 2025 26TH MAY MORNING SHIFT

Three vectors each of magnitude $3 \sqrt{1.5}$ units are acting at a point. If the angle between any two vectors is $\frac{\pi}{3}$, then the magnitude of the resultant vector of the three vector is

The work function of Cu is $7.68 \times 10^{-19} \mathrm{~J}$. If photons of wavelength 221 nm are made to strike the surface of the metal, the kinetic energy (in J) of the ejected electrons will be ( $h=6.63 \times 10^{-34} \mathrm{Js}$ )

If $\alpha, \beta, \gamma$ are the roots of the equation $x^3-12 x^2+k x-18=0$ and one of them is thrice the sum of the other two roots, then $\alpha^2+\beta^2+\gamma^2-k=$

A block of mass 2 kg is placed on a rough horizontal surface. If a horizontal force of 20 N acting on the block produces an acceleration of $7 \mathrm{~ms}^{-2}$ in it, then the coefficient of kinetic friction between the block and the surface is

(Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

2.0 g of $\mathrm{H}_2$ diffuses through a porous container in 10 minutes. How many grams of $\mathrm{O}_2$ would diffuse from the same container in the same time under similar conditions?

If $S_n=1^3+2^3+\ldots+n^3$ and $T_n=1+2+\ldots+n$, then