MCQ
Planck's constant has the dimensions (unit) of
- AEnergy
- BLinear momentum
- CWork
- ✓Angular momentum
✓
Answer
Correct option: D.
Angular momentum
(d) $[h]=[$ Angularmomentum $]=\left[M L^2 T^{-1}\right]$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The escape velocity from the surface of earth is $V_e$. The escape velocity from the surface of a planet whose mass and radius are 3 times those of the earth will be
→The refractive index of the material of the prism for violet colour is $1.69$ and that for red is $1.65.$ If the refractive index for mean colour is $1.66,$ the dispersive power of the material of the prism
→The angular velocity of a particle rotating in a circular orbit 100 times per minute is
The frequency of oscillation of the springs shown in the figure will be
The frequency of a sound wave is $n$ and its velocity is $v$. If the frequency is increased to $4 n$, the velocity of the wave will be
→The phase difference between two points separated by $\mathrm{Im}$ in a wave of frequency $120 \mathrm{~Hz}$ is $90^{\circ}$. The wave velocity is
→On adjusting the $P-N$ junction diode in forward biased
→The variation of magnetic susceptibility $(\chi)$ with magnetising field for a paramagnetic substance is
→An open pipe of length $33 \mathrm{~cm}$ resonates with frequency of $100 \mathrm{~Hz}$. If the speed of sound is $330 \mathrm{~m} / \mathrm{s}$, then this frequency is
→A space craft of mass ' $M$ and moving with velocity ' $v$ ' suddenly breaks in two pieces of same mass $m$. After the explosion one of the mass ' $m$ ' becomes stationary. What is the velocity of the other part of craft
→