General Science Najdik Aati Railgadi Ki Seeti Ki Aawaj Badhti Jati Hai , Jabki Door Jane Wali Railgadi Ke Liye Yah Ghatati Jati Hai . Yah Ghatna Udaharan Hai ?

नजदीक आती रेलगाड़ी की सीटी की आवाज बढ़ती जाती है , जबकि दूर जाने वाली रेलगाड़ी के लिए यह घटती जाती है । यह घटना उदाहरण है ? - The whistling sound of an approaching train increases, while it decreases for a train going farther away. Is this an example? - Najdik Aati Railgadi Ki Seeti Ki Aawaj Badhti Jati Hai , Jabki Door Jane Wali Railgadi Ke Liye Yah Ghatati Jati Hai . Yah Ghatna Udaharan Hai ? General Science in hindi,  Physics Jal - Thomson Prabhav Ka question answers in hindi pdf  Crompton Prabhav Ka questions in hindi, Know About Raman Prabhav Ka General Science online test General Science notes in hindi quiz book    Dopler Prabhav Ka