A ray of light travelling in glass having a refractive index njass= 1.5, is incident at an angle 0, on the glass-air interface. If a thin layer of liquid (niquid = 1.23) is poured on the glass air interface, then at what angle would the ray emerge from the liquid-air interface? %3D %3D air (nair) air (nair) liquid (niquid) glass (ng) glass (ng) O 48.3° 90.0° O 35.7° O45.6° O 82.5°
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