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Physics-

General

Easy

Question

The graph between the stopiing potential $open parentheses V subscript 0 end subscript close parentheses$ and $left parenthesis 1 divided by lambda right parenthesis$ is shown in figure, $ϕ subscript 1 end subscript comma ϕ subscript 2 end subscript$ and $ϕ subscript 3 end subscript$ are work functions Which of the following is

$ϕ_{1} : ϕ_{2} : ϕ_{3} = 1 : 2 : 3$
$ϕ_{1} : ϕ_{2} : ϕ_{3} = 4 : 2 : 1$
tan q, is directly proportional to hc/ e where h is Planck’s constant ad c is the speed of light
ultraviolet light can be used to emit photoelectrons from metal 2 and metal 3 only.

The correct answer is: tan q, is directly proportional to hc/ e where h is Planck’s constant ad c is the speed of light

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