किसी माध्यम में ध्वनि तेज चलती है ? - In which medium does sound travel faster? - Kisi Madhyam Me Dhwani Tej Chalti Hai ? General Science in hindi, Physics Saaf Pani question answers in hindi pdf Nirvaat questions in hindi, Know About Hawa General Science online test General Science notes in hindi quiz book Rangeen Pani
Answer to air hoga
Ok sorry
Nirwat hoga