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Dual Nature of Matter

JEE Main level, single correct, medium

193 of 200

Question 193 of 200

The anode voltage of a photocell is kept fixed. The wavelength $\lambda$ of the light falling on the cathode is gradually changed. The plate current $\mathrm{I}$ of the photocell varies as follows :

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Answer: (C)

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JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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JEE Main Physics practice question on Dual Nature of Matter (Photoelectric Effect), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.

The anode voltage of a photocell is kept fixed. The wavelength λ\lambdaλ of the light falling on the cathode is gradually changed. The plate current I\mathrm{I}I of the photocell varies as follows :

JEE Main question paper PDF

More Physics practice

The anode voltage of a photocell is kept fixed. The wavelength $\lambda$ of the light falling on the cathode is gradually changed. The plate current $\mathrm{I}$ of the photocell varies as follows :