List of practice Questions

The phase difference between velocity and acceleration of simple harmonic oscillator.
The phase of shortest duration in mitosis is
The pH range for phenolphthalein is
The pH value of 0.001 M aqueous solution of NaCl is
The pH of human urine is approximately
The pH of neutral water is 6.5,then the temperature of water is
The $pH$ of succus entericus is
The pH of tears coming out of a person's eye is approximately
The pH of a 0.1 M aqueous solution of $NH_4OH$ is : $(K_b = 1.0 \times 10^{-5})$
The pH of a solution prepared by mixing 2.0 mL of HCl solution of pH 3.0 and 3.0 mL of NaOH of pH 10.0 is
The pH of $D_2O$ and $H_2O$ at 298 K is
The period of the function $\sin\left(\frac{2x}{3}\right)+\sin\left(\frac{3x}{2}\right) $ is
The perpendicular bisector of the line segment joining P (1, 4) and Q(k, 3) has y-intercept -4. Then a possible value of k is
The perimeter of the triangle with vertices at $ (1, 0, 0), (0, 1, 0) $ and $ (0 , 0 , 1)$ is :
The period of revolution of an earth's satellite close to surface of earth is 90 min. The time period of another satellite in an orbit at a distance of four times the radius of earth from its surface will be
The period of $\sin^2 \theta$ is
The percentage of element M is 53 in its oxide of molecular formula $M_2O_3$. Its atomic mass is about
The percentage of radioactive substance left after 5 half lives is
The peak voltage of 220 Volt AC mains (in Vol.) Is .
The peak voltage of input a.c. to a full wave rectifier is $E_0$ The peak inverse voltage is
The peptide linkage formed between glycine $(NH_{2}CH_{2}COOH)$ and alanine
to give glycylalanine can be shown as
The percentage by weight of hydrogen in $H_2O_2$ is
The partial pressure of hydrogen in a flaskcontaining 2 g of $H_2$ and 32 g of $S0_2$ is
The particle size ranges from_________in colloidal state
The pathway of water from soil upto the secondary xylem is