एक बंदूकधारी चोर का पीछा कर रहा है। चोर को चेतावनी देने के लिए उसने गोली चला दी। चोर ने 7.5 s के बाद गोली चलने की आवाज सुनी। बताइए कि चोर बंदूकधारी से कितनी दूर है (इस तथ्य का उपयोग कीजिए कि ध्वनि 340 m / s की गति से यात्रा करती है) ।

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CRPF Constable Technical Tradesman Official Paper (Held On: 01 July, 2023 Shift 2)
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  1. 2500 m
  2. 2300 m
  3. 2550 m
  4. 2000 m

Answer (Detailed Solution Below)

Option 3 : 2550 m
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दिया गया है:

चोर तक ध्वनि पहुँचने में लगा समय = 7.5 सेकंड

ध्वनि की चाल = 340 मीटर/सेकंड

प्रयुक्त सूत्र:

दूरी = चाल × समय

गणनाएँ:

दूरी = 340 मीटर/सेकंड × 7.5 सेकंड

दूरी = 2550 मीटर

इसलिए, चोर बंदूकधारी से 2550 मीटर दूर है।

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