Lessons

Eamcet Physics
2 nd Year : Unit 7.1 ( Dual Nature of Matter And Radiation ) - Dual Nature of Matter And Radiation

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Q.

A photon of energy ‘E’ ejects a photo electron from a metal surface whose work function is Wo. If this electron enters into a uniform magnetic field of induction ‘B’ in a direction perpendicular to the field and describes a circular path of radius r, then the radius r is given by (in the usual notation) :

View Answer

Correct choice: D

Explanation:

None
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