Question icon
Grade 12Modern Physics

when electron in hydrogen atom jumps frm second orbit to first orbit, the wavelength of radiation emitted is X. when electron jumps frm third orbit to first orbit , the wavelength of emitted radiation will be...... a) (27/32)X b) (32/27)X c) (2/3)X d) (3/2)X

Profile image of raghasri raghavan
12 Years agoGrade 12
Answers icon

1 Answer

Profile image of Sunil Kumar FP
12 Years ago
we know that 1/X=RZ^2(1/n1^2-1/n2^2)
eq(1) 1/X=R(1-1/4)
let the wavelength be y
1/Y=R(1-1/9)
solving these two eqution
Y=27X/32

thanks and regards
sunil kr
askIItian faculty