MCQ
Emission spectrum of $\mathrm{CO}_2$ gas:
- AIs a line spectrum
- ✓Is a band spectrum
- CIs a continuous spectrum
- DDoes not fall in the visible region
✓
Answer
Correct option: B.
Is a band spectrum
The emission spectrum of $\mathrm{CO}_2$ gas that has been studied by the electron beam excitation method is a band spectrum.
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
Equivalent capacitance between $A$ and $B$ is......$\mu \,F$
→A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in equilibrium state. The energy required to rotate it by $60^o $ is $W.$ Now the torque required to keep the magnet in this new position is
→Mark the correct option in impure spectrum:
For an electromagnetic wave travelling in free space, the relation between average energy densities due to electric $\left( U _{ e }\right)$ and magnetic $\left( U _{ m }\right)$ fields is
→When a test charge is brought in from infinity along the perpendicular bisector of an electric dipole, the work done is ..........
In the circuit shown, the reading of the Ammeter is doubled after the switch is closed. Each resistor has a resistance $1\,\Omega $ and the ideal cell has an $e.m.f.$ $10\, V$. Then, the Ammeter has a coil resistance equal to ............... $\Omega$
→An electron enters in high potential region ${V_2}$ from lower potential region ${V_1}$ then its velocity
→An electron in the $n = 1$ orbit of hydrogen atom is bound by $13.6\, eV$ energy is required to ionize it is........$ eV$
→In an ac circuit, peak value of voltage is $423\, volts$. Its effective voltage is .......... $volts$
→Albert Einstein got a nobel prize in physics for his work on: