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२)!(2) (37) 2(3)The distance between two consecutive crests in a wave train produced in a string is 5 cm. If 2complete waves pass through any point per second, the velocity of the wave isकसा डारा में उत्पन्न तर के दो निकटतम शीर्ष (श्रृंग) बिन्दुओं के मध्य की दरी 5 सेमी है। यदि दो पूर्ण कम्पन किसी बि से ।प्रति सैकण्ड गजरते हैं, तो ध्वनि वेग होगा।(1) 10 cm/sec(2) 2.5 cm/sec (3) 5 cm/sec(4) 15 cm/seclicht is incident on system of mirror as shown in the adjacent figure. What is the totalmes out after two reflections ? |
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