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NEET · Physics · STD 12 - 4. Moving charges and magnetism
Ionized hydrogen atoms and \(\alpha\) -particles with same momenta enters perpendicular to a constant magnetic field \(B\). The ratio of their radii of their paths \(\mathrm{r}_{\mathrm{H}}: \mathrm{r}_{\alpha}\) will be
- A \(2:1\)
- B \(1:2\)
- C \(4:1\)
- D \(1:4\)
Answer & Solution
Correct Answer
(A) \(2:1\)
Step-by-step Solution
Detailed explanation
\(\frac{\mathrm{q}_{\mathrm{H}}}{\mathrm{q}_{\mathrm{\alpha}}}=\frac{1}{2}\) \(r=\frac{m v}{q B}\)
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