AP EAPCET 2023 - 15th May Morning Shift

Two vectors of same magnitude act at a point. Twice the product of the magnitudes of two vectors is equal to the square of the magnitude of their resultant. The angle between the two vectors is

20 mL of 0.1 M HCl is added to the 30 mL of 0.1 M NaOH . To this solution extra 50 mL of water was added. What is the molarity of the final solution formed?

If the values of $k$ for which the euqation $x^2+2(k+2) x+6 k+7=0$ has equal roots are $k_1$ and $k_2$, then $k_1^2+k_2^2=$

The time of flight of a vertically projected stone is 8 s . the position of the stone after 6 s from the ground is (Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

Vijaywada FM radio station broadcasts at frequency of 103.4 MHz . The wavelength of the corresponding radio wave (in m ) is

If $(3+2 \sqrt{2})^{x^2-4}+(3-2 \sqrt{2})^{x^2-4}=6$, then $x^4+x^2+5=$