Question

Note: -
You are attempting question 6 out of 12
What minimum tube voltage is required to excite the KB and LB series of lines for rubidium
(Rb)?
(A) 15.0 kV for KB, 1.75 kV for LB
(B) 1.75 kV for KB, 15.0 kV for LB
(C) 15.0 kV for KB, 15.0 kV for Lß
(D) 1.75 kV for KB, 1.75 kV for LB
Answer
А A
D
Submit​

Answer 1

Answer:

option C...............