MCQ
Non polar molecules has:
- APermanent dipole moment.
- ✓No permanent dipole moment.
- CBoth $a$ and $b.$
- DNone.
✓
Answer
Correct option: B.
No permanent dipole moment.
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
A proton and an α - particle enter a uniform magnetic field perpendicularly with the same speed. If proton takes 25 μ sec to make 5 revolutions, then the periodic time for the α - particle would be
Submarine cables act as
A sphere is rotating about a diameter:
The charge in an $LC$ circuit with negligible resistance oscillates as given by equation $\frac{{{d^2}q}}{{d{t^2}}} + 16{\pi ^2}q = 0$. If the charge is maxiumum equal to $24\,\mu C$ at $t = 0$, find the charge at $t = \frac{1}{{12}}\,s$............$\,\mu C$
→Both the nucleus and the atom of some element are in their respective first excited states. They get de-excited by emitting photons of wavelengths $\lambda _N,\,\lambda _A$ respectively. The ratio $\frac{{{\lambda _N}}}{{{\lambda _A}}}$ is closest to
→A lamp rated at $100 \,cd$ hangs over the middle of a round table with diameter $3 \,m$ at a height of $ 2\, m$. It is replaced by a lamp of $25\, cd$ and the distance to the table is changed so that the illumination at the centre of the table remains as before. The illumination at edge of the table becomes $X$ times the original. Then $X$ is
→A very small magnet is placed in the magnetic meridian with its south pole pointing north. The null point is obtained $20\, cm $ away from the centre of the magnet. If the earth's magnetic field (horizontal component) at this point be $0.3$ $gauss$, the magnetic moment of the magnet is
→A Helmholtz coil has pair of loops, each with $N$ turns and radius $R$. They are placed coaxially at distance $R$ and the same current $I$ flows through the loops in the same direction. The magnitude of magnetic field at $P$, midway between the centres $A$ and $C$, is given by (Refer to figure)
→A vertical wire carrying a current in the upward direction is placed in horizontal magnetic field directed towards north. The wire will experience a force directed towards
The radio waves of frequency 300 MHz to 3000 MHz belong to