2. Questions Bank
  3. UPSC
  4. Physics
  5. Heat

UPSC Physics Heat Question Bank Sound, Oscillations, Heat and Thermodynamics

  • question_answer
    In SONAR, we use                                  [CDS]

    A) ultrasonic waves

    B) infrasonic waves

    C) radio waves

    D) audible sound waves 

    Correct Answer: A

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