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Plot a garph showing the variation of stopping potential with the frequency of incident radiation for two different photo sensitive materials having work function W¹ and W²(W¹greater than W²).on what factors does the (1) slopeAnd (2) intercept of the lines depend

akshit soni , 7 Years ago
Grade 12
anser 1 Answers
Vikas TU

Last Activity: 7 Years ago

From the planck’s enery eqn. we know,
hv = hv0 + W1
or
hv/e = W1/e + Vs
 
y = +mx – c
now m is the slope that is v and Work function is the intercept.
Now for greater work function intercept that is negative intercept would be more and the graph would shift lower depending on the frequency .i.e. slope.

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