The size of a quantum dot is
5m
5×10−95 \times 10^{-9}5×10−9
5×10−105 \times 10^{-10}5×10−10
5×1095 \times 10^{9}5×109
(B) 5×10−95 \times 10^{-9}5×10−9
Explanation:
