Discussion :: Exam Questions Paper
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Consider following statements :
- Maximum energy of electrons liberated photoelectrically is independent of light intensity
- Maximum energy of electrons liberated photoelectrically varies nonlinearly with frequency of incident light.
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A.
statement (1) is true and (2) is false
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B.
statement (1) and (2) both are true
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C.
statement (1) is false and (2) is true
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D.
statement (1) and (2) both are false
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Answer : Option A
Explanation :
Statement 2 is false because maximum energy of photons varies linearly with frequency of incident light. It can be shown as follows
Photocurrent Vs Anode voltage with frequency and incident light as parameter the light intensity is constant.
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