RRB Technician Grade 3 previous year question
A train starting from rest reaches a speed of 40 km/h in 10 minutes. What is its final speed in m/s?
Asked in RRB Technician Grade 3 (10 Mar 2026 Shift 2) · Science
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Correct answer: (D) 11.11 m/s
Converting 40 km/h to m/s: 40 × (1000/3600) = 40 × 0.2778 ≈ 11.11 m/s. This conversion factor gives the final speed directly, independent of the time taken to reach it.
हिंदी में प्रश्न
विरामावस्था से चलना प्रारंभ करने वाली एक रेलगाड़ी 10 मिनट में 40 km/h की चाल प्राप्त कर लेती है। इसका अंतिम वेग (m/s में) कितना होगा?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (D) 11.11 m/s
40 किमी/घं को मी/से में बदलने पर: 40 × (1000/3600) ≈ 11.11 मी/से प्राप्त होता है। यह रूपांतरण गुणांक सीधे अंतिम गति देता है, चाहे उसे प्राप्त करने में लगा समय कुछ भी हो।
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