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9th Class Science Sound Question Bank 9th CBSE Science Sound

  • question_answer
           Sound produced by a thunderstorm is heard 10 s after the lightning is seen. Calculate the approximate distance of the thunder cloud. [Given, speed of sound = 340  ].

    Answer:

               Distance d= Velocity u x Time t               = 340 x 10 = 3400 m = 3.4 km     


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