Question

The wavelength limit of Lyman series is (a) 1215.4 Ao (b) 511.9 Ao (c) 951.6 Ao (d) 911.6 Ao​

Answer 1

Explanation:

511.9 is the correct answer

Illiterate , Proportion per cent . , 701 125 178 346 62 17.9 355 63 177 565 116 20-5 275 56 20-4 290 60 207 44 3 6.8 40 2 5 : 0 7.7 11.1 40 60 SOMERSET

Answer 2

Explanation:

Rydberg formula for wavelength for the hydrogen spectrum is given by

λ

1

=R[1/n

1

2

−1/n

2

2

]

For short wavelength of Lyman series,

913.4

1

=R[1/1

2

−1/∞

2

]

or R=(1/913.4)A

−1

For short limit of wavelength for Balmer series,

λ

b

1

=R[1/2

2

−1/∞

2

]

or λ

b

=4/R=4(913.4)=3653.6A

o

=365.36nm