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Q.

Figure represents a graph of kinetic energy K of photoelectrons and frequency $ϑ$ for a metal used for cathode in photoelectric experiment. The work function of metal is

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a

Intercept on y-axis

b

Intercept on x-axis

c

Slope of graph

d

Slope of graph $\times$ e

answer is A.

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Detailed Solution

$h υ = h υ_{0} + K E$

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