\(h \rightarrow \lambda=300 pm =3 \times 10^{-10} m\)
\(b \rightarrow \lambda=30 nm =3 \times 10^{-8} m\)
\(c \rightarrow E =h v=h \times 3 \times 10^{12}\)
\(d \rightarrow E =h v=h \times 3 \times 10^{10}\)
\(E =\frac{h \times 3 \times 10^8}{3 \times 10^{-10}}=h \times 10^{18}\)