KVPY SX SB Exam 2012 Question Paper

Question : 46 of 120

Marks: +1, -0

Typical electronic energy gaps in molecules are about 1.0 eV. In terms of temperature, the gap is closest to

Solution:

3/2\KT=1.6×10^{-19}

3/2×1.38×10^{-23}

=1.6×10^{-19}

\T=10^5\K

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