Question

In a p-type semiconductor the acceptor level is situated 60 m eV above the valence band. The maximum wavelength of light required to produce a hole will be [use hc =12400 eV Å].

Answer 1

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λ=

E

hc

=

(60×10

−3

×1.6×10

−19

)

6.62×10

−34

×3×10

8

=2.07×10

−5

m

Answer 2

Answer:

λ=

E

hc

=

(60×10

−3

×1.6×10

−19

)

6.62×10

−34

×3×10

8

=2.07×10

−5

Explanation:

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