alleryहवा में ध्वनि 340 m/s की चाल से चलती है। किमी/घंटा (km/h) में यह कितनी होगी?
A1124 किमी/घंटा
B1122 किमी/घंटा
C1200 किमी/घंटा
D1224 किमी/घंटा
Answer & Solution
Correct answer: D. 1224 किमी/घंटा
340 x 3.6 = 1224 किमी/घंटा।
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