समतल दर्पण की वक्रता त्रिज – McqOptions

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1.	समतल दर्पण की वक्रता त्रिज्या होती है -
A.	शून्य
B.	एक
C.	अनंत
D.	एक और अनंत के बीच
Answer» D. एक और अनंत के बीच

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