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  3. 8th Class
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8th Class Science Sound Question Bank Sound HOTS Objective Problems

  • question_answer
    A dog barks in a park and hears its echo after 0.5 second. If the sound of its bark got reflected by a nearby building, find the distance between the dog and the building. Take the speed of sound in air is 346 m/s.

    A)  86.5 m   

    B)  86 m

    C)  85 m                    

    D)  75 m

    Correct Answer: A

    Solution :

      Not Available                    


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