Discussion :: Electronic Devices and Circuits
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Assertion (A): The amount of photoelectric emission depends on the intensity of incident light.
Reason (R): Photo electric emission can occur only if frequency of incident light is less than threshold frequency.
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A.
Both A and R are true and R is correct explanation of A
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B.
Both A and R are true but R is not a correct explanation of A
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C.
A is true but R is false
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D.
A is false but R is true
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Answer : Option C
Explanation :
Photo electric emission occurs only if frequency is higher than threshold frequency thus R is wrong.
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