2. Questions Bank
  3. 9th Class
  4. Science
  5. Sound

9th Class Science Sound Question Bank Sound Formative Objective Problems

  • question_answer
    Loudness is ___ in dry air than in moist air which is lighter.

    A)  less                                      

    B)  more

    C)  sometimes (a) , sometimes (b)

    D)  none

    Correct Answer: B

    Solution :

      Not Available


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