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

9th Class Science Sound Question Bank 9th CBSE Science Sound

  • question_answer
      Define the terms wavelength and wave velocity and write their SI units.

    Answer:

       Wavelength The minimum distance in which a wave repeats itself is called its wavelength. Its SI unit is metre. Wave velocity The distance travelled by a. wave in one second is called velocity of the wave. Its SI unit is metre per second. 


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