

MCQOPTIONS
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1. |
With __________ it‚Äö√Ñ√∂‚à ö√ë‚à ö¬•s possible that a light ray will be reflected back into a material when striking at a higher angle.$ |
A. | TIR |
B. | TIM |
C. | CPR |
D. | VIBGYOR |
Answer» B. TIM | |