Ray Optics and Optical Instruments — Physics STD 12 Science — Question
Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsRay Optics and Optical Instruments2 Marks
Question
Define the phenomenon of total internal reflection.
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Answer
Total Internal Reflection : When the value of the angle of incidence in a denser medium is increased slightly beyond the critical angle, then the entire incident light is reflected. According to the rules, it gets reflected and returns back to the denser medium. This phenomenon is called total internal reflection of light.
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