List of practice Questions

The root mean square velocity, $v_{rms}$ , the average velocity $v_{av}$ and the most probable velocity,$v_{mp}$ of the molecules of the gas are in the order:
The RNAi stands for
The role of inductance is equivalent to :
The root mean square speed of gas molecules
The relation between $v_{rms}$ velocity, and the most probable velocity, $v_{mp}$ , of a gas is:
The relation between a, b, a' and b' such that the two lines ax + by = c and a'x + b'y = c' are perpendicular is
The relation between p and T during the adiabatic process with a monoatomic gas is $pT^n$= constant. What is the value of n = ?
The relation between the slope of isothermal curve and slope of adiabatic curve
The refractive index of glass with respect to air is 1.6. The refractive index of air w.r.t glass is:
The refractive index of glass is $1.5$ for light waves of $\lambda = 6000 \,?$ in vacuum. Its wavelength in glass is
The reaction $Cr_2O_3 + 2Al \to Al_2O_3 + 2Cr (\Delta G^? = - 421\, kj)$ is thermodynamically feasible due to -ve value of $\Delta G$. Why does this reaction not take place at room temperature?
The reaction of Lucas reagent is fastest with
The reaction $ {2SO2 +O2 <=> 2SO3 +}$ Heat, will be favoured by
The reaction between alcohol and carboxylic acidsis called
The reaction $CH_3CH_2Br + OH^- \rightarrow CH_3CH_2OH + Br^-$ is an example of :
The ratio of the speed of the electron in the ground state of hydrogen atom to the speed of light in vacuum is
The ratio of specific charge of the electron and nucleus of hydrogen atom is
The ratio of one micron to one nanometre is
The ratio of root mean square velocities of $ O_3$ and $O_2$ is
The ratio of shearing stress to the shearing strain is defined as
The ratio of $ {Fe^{3+}}$ and $ {Fe^{2+}}$ in $ {Fe_{0.9} S_{1.0}}$ is
The ratio of intensity at the centre of a bright fringe to the intensity at a point distant one fourth of the distance between two successive bright fringes will be
The ratio of lateral strain to the longitudinal strain of wire is called :
The ratio of magnitude of electrostatic force and gravitational force for an electron and a proton is
The ratio in which the line $3x + 4y + 2 = 0$ divides the distance between the lines $3x + 4y + 5 = 0$ and $3x + 4y - 5 = 0$ is