Question

solve it............​

Answer 1

❤heya ❤

lemda = hc/E

= 6.625×10^-34×3×10^8/5×1.6×10^-19

= approx 250nm

Answer 2

Lambda =

$\frac{hc}{e}$

6.625×10^-34×3×10^8/5×1.6×10^-19

=250nm