AP Police Constable practice question
Suppose a number of rays parallel to the principal axis are falling on a concave mirror, then all the reflected rays will intersect:
From a AP Police Constable Science practice set · Science
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Correct answer: (A) at the principal focus
By definition, all rays parallel to the principal axis, after reflecting from a concave mirror, converge at the principal focus.
हिंदी में प्रश्न
मान लीजिये कि मुख्य अक्ष के समानांतर कई किरणें एक अवतल दर्पण पर पड़ रही हैं, तो सभी परावर्तित किरणें कहाँ मिलेंगी?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) मुख्य फोकस पर
परिभाषा के अनुसार, अवतल दर्पण से परावर्तन के बाद मुख्य अक्ष के समांतर सभी किरणें मुख्य फोकस पर मिलती हैं।
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