Question

An X-ray tube produces continuous X-rays of wavelength 0.1 Å and greater. Then potential difference applied to tube must be –

• A. 1.24 Kv
• B. 12.4 kV
• C. 124 kV
• D. 6.62 kV

Answer 1

Answer: (C)

124 kV

Answer 2

V= $\frac { 1240 } { 0.01 }$= 124000 volt