Categories > Dual Nature of Radiation and Matter > X-Rays > The wavelength of most energetic X-rays emitted when a metal target is bombarded by 40KeV electrons, is approximately ($h = 6.62 \times {10^{ - 34}}$ J-sec; 1 eV = $1.6 \times {10^{ - 19}}$J; c = $3 \times {10^8}\,m/s)$

Dual Nature of Radiation and Matter

Question: The wavelength of most energetic X-rays emitted when a metal target is bombarded by 40KeV electrons, is approximately ($h = 6.62 \times {10^{ - 34}}$ J-sec; 1 eV = $1.6 \times {10^{ - 19}}$J; c = $3 \times {10^8}\,m/s)$


1) 300 Å
2) 10 Å
3) 4 Å
4) 0.31 Å
Solution: Explanation: No Explanation
X-Rays

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