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

9th Class Science Sound Question Bank Sound

  • question_answer
    Two engines each other travelling in opposite directions at 72 km/hr. One engine sounds a whistle of frequency 1088 cps. If the speed of sound is \[340m/\sec \] then frequency heard by the observer on the other engine after crossing will be

    A)  9670 Hz

    B)  967 Hz  

    C)  96.7 Hz

    D)  9.67 Hz

    Correct Answer: B

    Solution :

     Not Available


You need to login to perform this action.
You will be redirected in 3 sec spinner