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Three metals have work function in the r...

Three metals have work function in the ratio `2:3:4` Graphs are drawn for all between the stopping potential and the incident frequency The graphs have slopes in the ratio

A

`2: 3: 4`

B

`4: 3: 2`

C

`6: 4: 3`

D

`1: 1: 1`

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The correct Answer is:
D
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