The capacitive reactance of a capacitor connected to 50 V d.c. is
zero.
$10 \Omega$.
$50 \Omega$.
infinity.
A particle performs S.H.M. with amplitude 'A'. The speed of the particle is $\left(\frac{1}{3}\right)^{\text {rd }}$ of the maximum speed when its displacement from the mean position is
$\frac{\mathrm{A}}{3}$
$\frac{\sqrt{2} \mathrm{~A}}{3}$
$\frac{2 \sqrt{2} \mathrm{~A}}{3}$
$\frac{2 \mathrm{~A}}{3}$
In the Bohr model of hydrogen atom, out of the following quantities, the principal quantum number is proportional to ( $\mathrm{R}, \mathrm{V}$ and E represent radius of the orbit, speed of electron and total energy of the electron respectively)
$\frac{\mathrm{V}}{\mathrm{R}}$
VR
$\frac{E}{V}$
$\frac{E}{R}$
An open organ pipe and a closed organ pipe have the frequency of their second overtone identical. The ratio of length of closed pipe to that of open pipe is (Neglect end correction)
$2: 3$
$5: 6$
$3: 4$
$6: 7$
MHT CET (Biology) Papers
All year-wise previous year question papers