The shortest wavelength present in the Paschen series of spectral lines in hydrogen atom is nearly (Rydberg's constant, R=1.0971071/m) :

A 8.2×10⁻⁹ m
B 6.2×10⁻⁷ m
C 6.2×10⁻¹⁰ m
D 8.2×10⁻⁷ m