NEET Sample Paper NEET Sample Test Paper-27

  • question_answer
    Ultrasonic waves are produced by :

    A)  Piezoelectric effect

    B)  Peltier effect

    C)  Doppler's effect   

    D)  Coulamb's effect

    Correct Answer: C

    Solution :

    Doppler effect.


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