Dual Nature Of Light Question 487
Question: In an X-rays tube, the intensity of the emitted X-rays beam is increased by [MNR 1992; RPMT 1996; UPSEAT 2000]
Options:
A) Increasing the filament current
B) Decreasing the filament current
C) Increasing the target potential
D) Decreasing the target potential
Show Answer
Answer:
Correct Answer: A
Solution:
By changing the filament current with the help of rheostat, thermionic emission intensity of X-rays can be changed.
BETA
