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By how much would the stopping potential for a given photosensitive surface goup if the frequency of the incident radiations were to be increased from `4×10^(15) Hz` to `8 × 10^(15) Hz? ` `(h=6.4xx10^(-3)4Js,

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in 12th Physics by (6.7k points)
By how much would the stopping potential for a given photosensitive surface go
up if the frequency of the incident radiations were to be increased from `4×10^(15) Hz` to `8 × 10^(15) Hz? ` `(h=6.4xx10^(-3)4Js, e=1.6xx10^(-19)C,c=3xx10^8m`/`s)`

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