Answer:
Total energy, E = K. E. + P. E.
K.E. = E ? P.E.
The particle can exist in such a
region in which its K.E. is positive.
(a) For
K.E. is
negative. The particle cannot exist in the region . Here .
(b) In every region of the
graph, .
K.E. is
negative. The particle cannot be found in any region. Here .
(c) For x < a and
K.E. is
negative. The particle cannot be found in the region and . Here .
(d) For and
.
K.E. is
negative. The particle cannot be present in these regions. Here .
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