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Wave Optics — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
MCQ
The wavelength $\lambda$, frequency $v$, velocity $v$ and intensity I of a light ray transmitted in air respectively. If this ray enters water, then the values of these quantities become $\lambda^{\prime}, \nu^{\prime}, v^{\prime}$ and $I^{\prime}$ respectively. Which of the following relations is correct?
  • A
    $\lambda=\lambda^{\prime}$
  • ✓
    $v=v^{\prime}$
  • C
    $v=v$
  • D
    $I = I ^{\prime}$
✓

Answer

Correct option: B.
$v=v^{\prime}$
(B) - $v=v^{\prime}$

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