Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Waves

Question:

The voltage applied across an X-ray tube is nearly equal to

Options:

10 V

100 V

1000 V

10, 000 V

Correct Answer:

10, 000 V

Explanation:

$V=\frac{hc}{eλ}=\frac{6.6×10^{-34}×3×10^8}{1.6×10^{-19}×10^{-10}}$

$=10,000\, V$