Q. The voltage applied across an X-ray tube is nearly equal to
A) 10 V
B) 100 V
C) 1000 V
D) 10, 000 V
Explanation
(d) $V = \frac{hc}{e\lambda} = \frac{6.6 \times 10^{- 34} \times 3 \times 10^{8}}{1.6 \times 10^{- 19} \times 10^{- 10}} = 10,000\ V$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.