NEET Physics Refraction MCQ Question
A beam of light travels from air into a medium. Its speed and wavelength in the medium are 1.5 × 10⁸ ms⁻¹ and 230 nₘ respectively. The wavelength of light in air will be.
230 nₘ
345 nₘ
460 nₘ
690 nₘ
Correct Answer
Detailed Explanation
The wavelength in air is calculated using the relation λ_air = λ_medium × (v_air/v_medium).
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