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All weath per sentencewhat is the answer |
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Answer» Answer: CRITICAL ANGLE IS 90 DEGREE..!! OK SO WHY GOOGLE SAYS THAT CRITICAL ANGLE FOR MOST GLASS IS 42 DEGREE..?? I MEAN IF IT IS 90 DEGREE SO WHY GOOGLE'S SAY IT IS 42 DEGREE FOE MOST GLASS?? WHAT IT MEAN BY GOOGLE |
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