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Ray Optics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsRay Optics1 Mark
Question
When light is refracted from air into glass(a) Its wavelength and frequency both increase(b) Its wavelength increases but frequency remains unchanged(c) Its wavelength decreases but frequency remains unchanged(d) Its wavelength and frequency both decrease
 
 
 
 
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Answer

(c) Its wavelength decreases but frequency remains unchanged

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