COMPOUND MICROSCOPE || in HINDI
https://www.youtube.com/watch?v=WxKtyChtttU
ASTRONOMICAL TELESCOPE - Part 1 || in HINDI
https://www.youtube.com/watch?v=9TxeSgSEe4o
https://www.youtube.com/watch?v=IDwfL93GtNk
ASTRONOMICAL TELESCOPE - Part 2 || in HINDI
https://www.youtube.com/watch?v=EfND_mZ9BP0
SIMPLE MICROSCOPE || in HINDI
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