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

8th Class Science Sound Question Bank Sound HOTS Objective Problems

  • question_answer
    An echo is heard after 0.8 s, when a person fires a cracker 132.8 m from a high building. What is the speed of sound?

    A)  315 m/s              

    B)  332 m/s

    C)  320 m/s              

    D)  310 m/s

    Correct Answer: B

    Solution :

      Not Available


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