काँच की एकप्लेट पर प्रकाशकीएक किरण 30° केआपतन कोण के साथ गिरती है, यदि हवा के संबंध में काँचका अपवर्तनांक 1.5 है, तो अपवर्तन कोण है:(a) sin-(0.33) (b) sin-'(0.67)(c) sin-'(0.45) (d) sin-(0.03)

काँच की एकप्लेट पर प्रकाश�

1.	काँच की एकप्लेट पर प्रकाशकीएक किरण 30° केआपतन कोण के साथ गिरती है, यदि हवा के संबंध में काँचका अपवर्तनांक 1.5 है, तो अपवर्तन कोण है:(a) sin-(0.33) (b) sin-'(0.67)(c) sin-'(0.45) (d) sin-(0.03)
Answer» AEXPLANATION:because when LODA become LONGER then answer BECOMES A

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