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Fill in the blanks to complete the following sentences : (a) Total internal reflection occurs only when a ray of light passes from a .............................medium to a ..........................medium. (b) Critical angle is the angle of ................in denser medium for which the angle of ..............in rarer medium is ................. |
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Answer» Fill in the blanks to complete the following sentences : (a) Total internal reflection occurs only when a ray of light passes from a .............................medium to a ..........................medium. (b) Critical angle is the angle of ................in denser medium for which the angle of ..............in rarer medium is ................. |
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