General Science Kaar Ki headlight Me Kis Darpan Ka Prayog Kiya Jata Hai ?

कार की हेडलाईट में किस दर्पण का प्रयोग किया जाता है ? - Which mirror is used in the headlight of a car? - Kaar Ki headlight Me Kis Darpan Ka Prayog Kiya Jata Hai ? General Science in hindi,  Physics Goleey Uttal question answers in hindi pdf  parvalayakar Avtal questions in hindi, Know About Samtal General Science online test General Science notes in hindi quiz book    Samtal Uttal