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Wednesday, June 5, 2019
पानी में डाली हुई छड़ी टेढ़ी दिखती है । इसका कारण है ?
(A) परावर्तन
(B) अपवर्तन
(C) परावर्तन और अपवर्तन
(D) इनमें से कोई नहीं
Ans (B)
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