Question

According to the Bohr model of hydrogen, which electron transition will emit a photon in the visible range?

Choose all that apply

5->4
5->2
6->1
4->2
6->3

Answer 1

Wanelength of transmission Rydheng equation » R . ) al wanelen- - n -gth. no w ni H final state ni Initial state. R Rydbing's constant. 1097 x co? 7 m nm wavelengt falls at at 38on Visible region to 700 nm rig 5 - 4 - ny m 1'0977.601 2 4? . 5² ܐܓ m 7 16 25 E 1092 x 10 25 -16 10922x107 16x25 400 = 9 시 10811x10? Х

40.48 x 0 xco -92 - 4048; *10 w 4048 nm Nöf at visible -ua region. No 5 - 2 n 1087x10 7 207* = २? 52 A ri 5) m 1:097x10? 25 7 25 -4 7:09 1810 m K-9 4x25 -) I 200 mi 21 x 1097x76? -7 m 189..8 x 10 868.1 10 - 2 10 m = 868'1 nm So it doesnof fall fall in visible region.

3 () 1 m 1/ - 11 (1 6 - ) () |-- - (697 x 16 5 - } NAN log2X10 m -] 5 x t"690 x - (0) 0 9 3 x (0 -9 [ 69*3 x to 스 1 09" 3 mm it does not does not full unden unden visible So region.

v 4-> 2, 7 91.3760.7.99 t nl 6) 42 12,2 No 1697xio 9 -(4.1) m 16 ज 14- Pris 1097X107 16 3 ml 177 X 260,115 97 (6 m 11 X 3 x 1092x107 486 x 107 m 9 486 x 10 16.9. " 486 nm Hence it falls in in visible region ها

5 6 -> 3 alt 4.) - my 1097 x 107 32 6 * m 36 1097 x 107 . 4 ) 1 m - 1097 x 10 36 3 -1 m - 1097 x 10? 36 36 x 10 m -> 1097 x 3 10.93 x 10 107, 1093 x 10 1093 So, it does not fully in visible region

Answer 2