2. Questions Bank
  3. 8th Class
  4. Science
  5. Sound

8th Class Science Sound Question Bank Sound Conceptive Subjective Problems

  • question_answer
    A device which is NOT used to find the depth of sea is called (a) RADAR                           (b) SONAR (c) ECHO                              (d) None of these

    Answer:

    (a), (c), (d)


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