Question

15. The minimum wavelength of the emitted X-rays
when the potential difference across the anode and
cathode is 30 kV is (assuming h= 6.4x10-34 Js)
(A) 0-4 Å
(B) 0.28
(C) 0.3 Å
(D) 0.5 Å​

Answer 1

Answer:

(c )0.3 A I hope this answer help you