In hydrogen atom which quantity is integral multiple of h 2 - Vidyadip

MCQ

In hydrogen atom which quantity is integral multiple of $\frac{h}{{2\pi }}$

✓
Angular momentum
B
Angular velocity
C
Angular acceleration
D
Momentum

✓

Answer

Correct option: A.

Angular momentum

a
(a)

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 12. atoms→12. atoms — all question types→Physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

An object is placed at a distance of $12\,cm$ in front of a plane mirror. The virtual and erect image is formed by the mirror. Now the mirror is moved by $4\,cm$ towards the stationary object. The distance by which the position of image would be shifted, will be:

For an isotropic medium B, m, H and M are related as (where B, $\mu_0, H$ and M have their usual meaning in the context of magnetic material

The angular resolution of a $10\,cm$ diameter telescope at a wavelength of $5000\,\mathop A\limits^o $ is of the order of

A fringe width of $\,6 mm$ was produced for two slits separated by $1\, mm$ apart. The screen is placed $10\, m$ away. The wavelength of light used is $'x'\, nm.$ The value of $'x'$ to the nearest integer is

A trransistor is connected in common emitter circuit configuration, the collector supply voltage is $10 \,{V}$ and the voltage drop across a resistor of $1000\, \Omega$ in the collector circuit is $0.6\, {V}$. If the current gain factor $(\beta)$ is $24$ , then the base currect is $....\,\mu$ $A.$ (Round off to the Nearest Integer)

A paramagnetic material is kept in a magnetic field. The field is increased till the magnetization becomes constant. If the temperature is now decreased, the magnetization

A photodetector is made from a semiconductor $_{0.53} \mathrm{Ga}_{0.47} $ As with $\mathrm{E}_{\mathrm{g}}=0.73 \mathrm{eV}$. What is the maximum wavelength, which it can detect

An electric toaster has resistance of $60\ \Omega$ at room temperature $\left(27^{\circ} \mathrm{C}\right)$. The toaster is connected to a $220 \mathrm{~V}$ supply. If the current flowing through it reaches $2.75 \mathrm{~A}$, the temperature attained by toaster is around : (if $\alpha=2 \times 10^{-4} /{ }^{\circ} \mathrm{C}$ )

When two identical capacitors are in series have $3\,\mu F$ capacitance and when parallel $12\,\mu F$. What is the capacitance of each.......$\mu \,F$

A ray of light is incident from a denser to a rarer medium. The critical angle for total internal reflection is ${\theta _{iC}}$ and Brewster's angle of incidence is ${\theta _{iB}}$, such that $\sin \,{\theta _{iC}}/\sin \,{\theta _{iB}} = \eta = 1.28$. The relative refractive index of the two media is