26. In a photoelectric effect experiment, the graph between the stopping potential V
and the frequency v of incident radiations on two different surfaces X and Y is
as shown below:
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Answer the following questions using Einstein's photoelectric equation :
(a)
What does the slope of the lines depict? Why is this slope same for both
the lines?
(b)
What does the intercept of graph on stopping potential axis indicate?
(c)
Which of the two surfaces, X and Y, has greater work function and why?
312/HIS/104A
Answers
Answered by
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Answer:This my help you
Explanation:
hν=hν
o
+K.E
hν=W+eV
o
→shapping potential
eV
o
=hν−W⇒V
o
=(
e
h
)ν+(
e
−W
)
y=mx+C
Comparing two equation ⇒m=
c
h
Slope is ratio of planck's constant to charge of electrons
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