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.

In a photo electric cell, the cathode with work function W1 is replaced by another one with work function W2 (W2 > W1). If the current before this change is I1 and that after the change in I2 and other circumstances remain same and if hν>W2, then

View Answer

Correct choice: C

Explanation:

None
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