BSEB Class 10th Math Chapter 10 Online Test 2026 | Bihar Board Class 10th Math Chapter 10 Vrit (Circle) Online Objective Test 2026 | Circle Online Objective Test |

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","explanation":"", "options":[{"value":" (A) चार ","right" :false ,"selected":false}, {"value":" (B) तीन ","right" :false ,"selected":false}, {"value":" (C) दो ","right" :false ,"selected":false}, {"value":" (D) एक ","right" :true ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 5. 10 cm त्रिज्या वाली वृत्त की एक जीवा वृत्त के केन्द्र पर समकोण बनाती है, तो उस जीवा की लंबाई होगी (2021A) ","explanation":"", "options":[{"value":" (A) 5/√2 ","right" :false ,"selected":false}, {"value":" (B) 5√2 cm ","right" :false ,"selected":false}, {"value":" (C) 10√2 cm ","right" :true ,"selected":false}, {"value":" (D) 10√3 cm ","right" :false ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 6. यदि 0 केन्द्र वाले वृत्त में TA तथा TB दो स्पर्श रेखायें इस तरह है कि ATB = 70° तो AOB = (2021A) ","explanation":"", "options":[{"value":" (A) 90° ","right" :false ,"selected":false}, {"value":" (B) 110° ","right" :true ,"selected":false}, {"value":" (C) 70° ","right" :false ,"selected":false}, {"value":" (D) 140° ","right" :false ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 7. 6 सेमी त्रिज्या वाले वृत्त के केन्द्र से 10 सेमी दूर स्थित एक बिन्दु से वृत्त पर खींची गई स्पर्श रेखा की लम्बाई होगी (2021A) ","explanation":"", "options":[{"value":" (A) 7cm ","right" :false ,"selected":false}, {"value":" (B) 8 cm ","right" :true ,"selected":false}, {"value":" (C) 9 cm ","right" :false ,"selected":false}, {"value":" (D) 6 cm ","right" :false ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 8. एक तल पर उन सभी बिन्दुओं का समूह, जो तल के एक स्थिर बिन्दु से एक स्थिर दूरी पर स्थित हो, उसे क्या कहते हैं ? 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(2021 A) ","explanation":"", "options":[{"value":" (A) 1 ","right" :false ,"selected":false}, {"value":" (B) 2 ","right" :false ,"selected":false}, {"value":" (C) 3 ","right" :false ,"selected":false}, {"value":" (D) अनन्त ","right" :true ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 13. यदि उसेमी त्रिज्या वाले एक वृत्त पर खींची गई दो स्पर्श रेखाएँ परस्पर 60° के कोण पर झुकी हो तो प्रत्येक स्पर्श रेखा की लंबाई है (2020 A) ","explanation":"", "options":[{"value":" (A) 2√3 cm ","right" :false ,"selected":false}, {"value":" (B) 3√3/2 cm ","right" :false ,"selected":false}, {"value":" (C) 3√3 cm ","right" :true ,"selected":false}, {"value":" (D) 6 cm ","right" :false ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 14. वृत्त का सबसे बड़ी जीवा होती है (2020 A) ","explanation":"", "options":[{"value":" (A) चाप ","right" :false ,"selected":false}, {"value":" (B) चापकर्ण ","right" :false ,"selected":false}, {"value":" (C) व्यास ","right" :true ,"selected":false}, {"value":" (D) इनमें से कोई नहीं ","right" :false ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 15. किसी वृत्त को दो अलग बिंदुओं पर प्रतिच्छेदित करने वाली रेखा को कहते हैं (2021A) ","explanation":"", "options":[{"value":" (A) जीवा ","right" :true ,"selected":false}, {"value":" (B) छेदक रेखा ","right" :false ,"selected":false}, {"value":" (C) स्पर्श रेखा ","right" :false ,"selected":false}, {"value":" (D) इनमें से कोई नहीं ","right" :false ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 16. दो भिन्न त्रिज्याओं वाले वृत्त हमेशा होते हैं (2020 A) ","explanation":"", "options":[{"value":" (A) सर्वांगसम ","right" :false ,"selected":false}, {"value":" (B) समरूप ","right" :true ,"selected":false}, {"value":" (C) सर्वांगसम और समरूप ","right" :false ,"selected":false}, {"value":" (D) इनमें से कोई नहीं ","right" :false ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 17. किसी वृत्त के केन्द्र से 5cm दूर स्थित बिंदु A से वृत्त पर खींची गई स्पर्श रेखा की लंबाई 4 cm है, तो वृत्त की त्रिज्या है (2020A) ","explanation":"", "options":[{"value":" (A) 7 cm ","right" :false ,"selected":false}, {"value":" (B) 6cm ","right" :false ,"selected":false}, {"value":" (C) 3 cm ","right" :true ,"selected":false}, {"value":" (D) 4 cm ","right" :false ,"selected":false}],"selected":"3"}, {"type":"radio","question":" 18. किसी वृत्त की स्पर्श रेखा उसे कितने बिंदु पर स्पर्श करती है ? 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