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Grade upto college level Modern Physics

Find the cutoff wavelength for the continuous X-rays coming from an X-ray tube operating at 30 kV.

Profile image of Amit Saxena
12 Years agoGrade upto college level
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1 Answer

Profile image of Navjyot Kalra
12 Years ago
V = 30 Kv λ = hc/E = hc/ev = 1242 ev – nm/e * 30 * 10^3 = 414 * 10^-4 nm = 41.4 Pm.

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