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The variation of photo-current with collector potential for different frequencies of incident radiation v1, v2, and v3 is as shown in the graph,

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The variation of photo-current with collector potential for different frequencies of incident radiation v1, v2, and v3 is as shown in the graph, then

(1) v1 > v2 > v3

(2) v3 = (v1 +v2/2)

(3) v1 = v2 = v3

(4) v1 < v2 < v3

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1 Answer

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Best answer

Correct option (4) v1 < v2 < v3

Explanation:

Stopping potential is directly proportional to incident frequency. Therefore v1 < v2 < v3. 

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