Uses of Ultrasonic Sound

    Yet another class was taken for class 9 students about the uses of ultrasonic sounds from  the chapter wave motion. A total of 60 students attended the class from both A and B divisions. Just one more lesson faraway from completion of the topic. In the classes all the uses of Ultrasonic waves are taken and is connected to the knowledge that the students earned from class 8. Also, Some problems where solved and discussed some facts about the ultrasonic waves with the students.