Q.10478: पराश्रव्य तरंगों की आवृत्ति . . . . . . |
पराश्रव्य तरंगों की आवृत्ति . . . . . . - The frequency of ultrasonic waves. , , , , , - Parashravy Tarangon Ki avriti . . . . . . General Science in hindi, Physics 20 , 000 Hz Se Adhik Hoti Hai question answers in hindi pdf 20 , 000 Hz Se Adhik Hoti Hai questions in hindi, Know About 20 , 000 Hz Se Adhik Hoti Hai General Science online test General Science MCQS Online Coaching in hindi quiz book 20 Hz Se Adhik Hoti Hai
Nhi suni ja sakti h
this question 4 option but 4 out off 3 option are same so the candidate does not chose the correct answer
Savi option AK saman hai
All ans. Is same a to c
20000h
Nfh
Option ABC Is correct