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Electron, Photon, Photoelectric Effect and X-Rays — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectron, Photon, Photoelectric Effect and X-Rays1 Mark
MCQ
The intensity distribution of X-rays from two coolidge tubes operated on different voltages $V_1$ and $V_2$ and using different target materials of atomic numbers $Z_1$ and $Z_2$ is shown in the figure. Which one of the following inequalities is true?
  • ✓
    $V_1 > V_2, Z_1 < Z_2$
  • B
    $V_1 > V_2, Z_1 > Z_2$
  • C
    $V_1 < V_2, Z_1 > Z_2$
  • D
    $V_1=V_2, Z_1 < Z_2$
✓

Answer

Correct option: A.
$V_1 > V_2, Z_1 < Z_2$
(a) $V_1 > V_2, Z_1 < Z_2$

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