गोलीय दर्पण में फोकसान्तर एवं वक्रता त्रिज्या के बीच संबंध है? Goliya Darpan Mein Focusanter Evam Vakrata Trijya Ke Bich Sambandh Hai?
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गोलीय दर्पण में फोकसान्तर एवं वक्रता त्रिज्या के बीच संबंध है? Goliya Darpan Mein Focusanter Evam Vakrata Trijya Ke Bich Sambandh Hai?

(A) r = 2f

(B) f = r

(C) f = r/2

(D) r = f/2

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Best answer

चूंकि गोलीय दर्पण (Spherical Mirror) की

वक्रता त्रिज्या (r) = 2 × फोकस दूरी (f)

r = 2f

⇒2f = r

f = r/2

इसलिए दिए गए प्रश्न के दो सही विकल्प होंगे : (A) और (C)

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