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14. waves and sound — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics14. waves and sound1 Mark
MCQ
The relation between phase difference  $ (\Delta \phi) $ and path difference $ (\Delta x) $ is
  • ✓
    $\Delta \phi = \frac{{2\pi }}{\lambda }\Delta x$
  • B
    $\Delta \phi = 2\pi \lambda \Delta x$
  • C
    $\Delta \phi = \frac{{2\pi \lambda }}{{\Delta x}}$
  • D
    $\Delta \phi = \frac{{2\Delta x}}{\lambda }$
✓

Answer

Correct option: A.
$\Delta \phi = \frac{{2\pi }}{\lambda }\Delta x$
a
(a)

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