MCQ
As compared $^{12}C$ atom, $^{14}C$ atom has
- ATwo extra protons and two extra electrons
- BTwo extra protons but no extra electrons
- ✓Two extra neutrons and no extra electrons
- DTwo extra neutrons and two extra electrons
✓
Answer
Correct option: C.
Two extra neutrons and no extra electrons
c
(c) For $_6{C^{12}},$$p = 6,\;e = 6,\;n = 6$
(c) For $_6{C^{12}},$$p = 6,\;e = 6,\;n = 6$
For $_6{C^{14}},$$p = 6,\;e = 6,\;n = 8$
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 rectangular loop of length $2.5 m$ and width $2 m$ is placed at $60^\circ$ to a magnetic field of $4 T.$ The loop is removed from the field in $10\ \sec.$ The average emf induced in the loop during this time is
→The needle of a deflection galvanometer shows a deflection of $60^o $ due to a short bar magnet at a certain distance in $\tan A$ position. If the distance is doubled, the deflection is
→The wavelength $\lambda_e$ of an electron and $\lambda_p$ of a photon of same energy $E$ are related by
→A prism of refractive index $\sqrt2$ refracting angle $A$ produces minimum deviation $D_m$ of a ray on one face at an angle of incidence $45^o$ . The values of $A$ and $D_m$ are respectively
→Which of the following statements is false
A mixture of $2\, moles$ of helium gas (atomic mass $= 4\, u$), and $1\, mole$ of argon gas (atomic mass $= 40\, u$) is kept at $300\, K$ in a container. The ratio of their rms speeds $\left[ {\frac{{{V_{rms}}{\rm{(helium)}}}}{{{V_{rms}}{\rm{(argon)}}}}} \right]$, is close to
→A particle of mass $m_1$ is moving with a velocity $v_1$ and another particle of mass $m_2$ is moving with a velocity $v_2$ . Both of them have the same momentum but their different kinetic energies are $E_1$ and $E_2$ respectively. If $m_1 > m_2$ then
→Light waves can be polarised as they are
The value of force constant between the applied elastic force $F$ and displacement will be
→A moving coil galvanometer has a coil with $175\, turns$ and area $1\, cm^2$ It uses a torsion band of torsion constant $10^{-6}\, N\, -m/rad$. The coil is placed in a magnetic field $B$ parallel to its plane. The coil deflects by $10$ for a current of $1\, mA$. The value of $B$ (in Tesla) is approximately
→