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A metallic plate exposed to white light emits electrons. For which of the following colours of light, the stopping potential will be maximum?

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Question

A metallic plate exposed to white light emits electrons. For which of the following colours of light, the stopping potential will be maximum?

Options

  • Blue

  • Yellow

  • Red

  • Violet

MCQ
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Solution

Violet

Explanation:

The higher the frequency, the greater the stopping potential.

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2023-2024 (March) Board Sample Paper

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