Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light.

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Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light.
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Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light. Assertion : Potassium and caesium are used in photo-electric cells. Reason : Potassium and caesium emit electrons on exposure to light. November 15, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
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