Q34.
Ans:2.
How?

Dear Student 

The kinetic energy of nth energy level is : 

En = -13.6Z2n2
So taking log both side: 
log En = - log13.6 -2log Z + 2log nThis satisfy the straight line equation:Here, log En (y) ; -2logZ (mx) ; -log13.6 + 2logn (c)As in the graph slope is positive so all the value can be changed
So, it given the intercept (c) is log 3.4.

log 3.4 = log 13.6 -2 log n 2log n = 1.133 - 0.531 2 log n = 0.602 log n = 0.301n = 2 


Regards


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