Wavelength of a light emitted from second orbit to first orbit in a hydrogen atom is
A. 1.215 x 10-7 m
B. 1.215 x 10-5 m
C. 1.215 x 10-4 m
D. 1.215 x 10-3 m
Answer:A
Wavelength of a light emitted from second orbit to first orbit in a hydrogen atom is
A. 1.215 x 10-7 m B. 1.215 x 10-5 m C. 1.215 x 10-4 m D. 1.215 x 10-3 m