The energy gap of silicon is 1.14 eV. Fi...

The energy gap of silicon is 1.14 eV. Find the maximum wavelenth at which silicon starts energy absorption.

10.888Å

108.88Å

1088.8Å

10888Å

Text Solution

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The correct Answer is:

`lambda = (hc)/E = (6.62 xx 10^(-34) xx 3xx10^(8))/((1.14 xx 1.6 xx 10^(-19))) = 10.888 Å`

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