Dual Nature Of Light Question 488
Question: The binding energy of the innermost electron in tungsten is 40 keV. To produce characteristic X-rays using a tungsten target in an X-rays tube the potential difference V between the cathode and the anti-cathode should be [IIT 1985]
Options:
A) V< 40 kV
B) V $ \le $ 40 kV
C) V > 40 kV
D) V >/< 40 kV
Show Answer
Answer:
Correct Answer: C
Solution:
Applied voltage must be greater than binding energy.
BETA
