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Class 10 Physics Quiz App Download | Echo of Sound Quiz Apps (iOS & Android)

Class 10 Physics Quiz: Complete Course

Echo of Sound Quiz App Download & PDF e-Book | 982

MCQ: 982

A marine survey ship sends a sound wave to the seabed which receives an echo after 2.5 s. The speed of sound in seawater is 1200 ms-1. The depth of the sea is

  1. 1200 m
  2. 1500 m
  3. 750 m
  4. 1000 m

Class 10 Physics App & e-Book Tests PDF Download

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Echo of Sound Apps (Android & iOS)

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