General Science- Lolak Ghadiyan Garmiyon Me Kyo Sust Ho Jati Hai ?

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Q.10243: लोलक घड़ियाँ गर्मियों में क्यो सुस्त हो जाती है ?
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लोलक घड़ियाँ गर्मियों में क्यो सुस्त हो जाती है ? General Science in hindi,  kundli Me Gharshan Ke Karan question answers in hindi pdf  Lolak Ki Lambai Badh Jati Hai Jisse Ikai Dolan Me Laga Hua Samay Badh Jata Hai questions in hindi, Know About Garmiyon Ke Din Lambe Hone Ke Karan General Science online test General Science notes in hindi quiz book    Garmi Me Lolak Ka Bhag Badh Jata Hai

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