General Science- Yadi Lolak Ki Lambai Char Guni Kar Dee Jaye To Lolak Ke Jhoolne Ka Samay . . . . . .

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Q.10240: यदि लोलक की लम्बाई चार गुनी कर दी जाये तो लोलक के झूलने का समय . . . . . .
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यदि लोलक की लम्बाई चार गुनी कर दी जाये तो लोलक के झूलने का समय . . . . . . General Science in hindi,   Duguna Hota Hai question answers in hindi pdf  Ek - Chauthai Ho Jata Hai questions in hindi, Know About Ghatata Hai General Science online test General Science notes in hindi quiz book    Char Guna Ho Jata Hai