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Byju's Answer
Standard XII
Chemistry
De Broglie's Hypothesis
A proton and ...
Question

A proton and an α - particle (Helium nucleus) enters a uniform magnetic field with their direction of velocity perpendicular to the direction of magnetic field.

(i) The path of proton and α - particle will be

[1 Mark]

A
ellipse
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B
helix
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C
straight line
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D
circle
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Solution

The correct option is D circle
When V and B are perpendicular then path will be circle. The magnetic force provides required centripetal force.

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