Audible And Ultrasonic Sound Part-5 (in Hindi)

Sound Part -1 (In Hindi )

10:16mins

Effect Of Sound On Temperature Part -2(in Hindi)

10:08mins

Types of Sound Part-3 (in Hindi)

10:15mins

Inaudible Sound and Audible Sound Part-4(in Hindi)

11:43mins

Audible And Ultrasonic Sound Part-5 (in Hindi)

10:24mins

Sound level Part-6 (in indi )

7:24mins