Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • A proton and an alpha particle of the same velocity enter in a uniform magnetic field which is acting perpendicular to their direction of motion. The ratio of the radii of the circular paths descri

A proton and an alpha particle of the same velocity enter in a uniform magnetic field which is acting perpendicular to their direction of motion. The ratio of the radii of the circular paths described by the alpha particle and proton is :
 

Option: 1

1: 4


Option: 2

4: 1


Option: 3

2: 1


Option: 4

1: 2


Answers (1)

best_answer

\mathrm{\overline{V}\perp \overline{B}\quad\left ( given \right )}
\mathrm{r= \frac{mv}{qB}}
\mathrm{\frac{r_{\alpha }}{r_{p}}= \frac{M_{\alpha }}{M_{p} }\times\frac{q_{p}}{q_{\alpha }}}
      \mathrm{= \frac{4}{1}\times \frac{1}{2}= \frac{2}{1}}

The correct option is (3)

Posted by

Pankaj

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2025 Results LIVE: NTA April session result date, time soon; BTech scorecard at jeemain.nta.nic.in
anam-khan

JEE Main 2025 answer key is provisional: NTA says 'drawing conclusions not desirable'
anam-khan

'Students pay for NTA’s mistakes': JEE Main 2025 answer key shows 9 errors, out-of-syllabus questions

Latest Question