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

9th Class Science Sound Question Bank Sound IIT JEE Subjective Problems

  • question_answer
    A body is vibrating 6000 times in one minute. If the velocity of sound in air is 360 m/s. Find (i) Frequency of vibration in hertz (ii) Wave length of wave produced

    Answer:

    (i) Frequency \[=\frac{6000}{60}=100\,Hz\] (ii) \[\lambda =\frac{V}{n}=\frac{360}{100}=3.6\,m\]


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