Question

20. Ahydrogen sample is bombared with electrons then potential
difference required to accelarate electron for ist paschen
emission lineis-
(2) 0.65V
31. A
(3) 12.09V
(4) 12.75V

(1) 2.55 V
​

Answer 1

Answer:

i don't understand your question

please write question properly..........,