Gen Science GS Dhwani Tarangein _________ Tarangein Hoti Hain .
| Q.50022: ध्वनि तरंगें _________ तरंगें होती हैं। |
ध्वनि तरंगें _________ तरंगें होती हैं। - Sound waves are _________ waves. - Dhwani Tarangein _________ Tarangein Hoti Hain . Gen Science GS in hindi, question answers in hindi pdf questions in hindi, Know About Gen Science GS online test Gen Science GS MCQS Online Coaching in hindi quiz book
