A particle of charge q and mass m moving with a velocity v along the x -axis enters the…
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
A particle of charge q and mass m moving with a velocity v along the x-axis enters the region x > 0 with uniform magnetic field B along the \(\hat{\mathrm{k}}\) direction. The particle will penetrate in this region in the x-direction upto a distance d equal to
- Zero
- \(\frac{\mathrm{mv}}{\mathrm{qB}}\)
- \(\frac{2 \mathrm{mv}}{\mathrm{qB}}\)
- Infinity
Answer
(B) mv qB
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