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Grade upto college level Modern Physics

The electron beam in a colour TV is accelerated through 32 kV and then strikes the screen. What is the wavelength of the most energetic X-ray photon?

Profile image of Shane Macguire
12 Years agoGrade upto college level
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1 Answer

Profile image of Deepak Patra
12 Years ago
V = 32 KV = 32 * 10^3 V When accelerated through 32 KV λ = hc/E = 1242/32* 10^3 = 38.8 * 10^-3 nm = 38.8 pm.

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