Class 10th vvi science objective question, bihar board class 10th science question, class 10th science vvi…
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Bihar board class 10 science model paper 2024 | class 10 science objective questions | ishtekhar sir
किस दर्पण की फोकस दूरी ऋणात्मक होता है ? (A) समतल दर्पण (B) अवतल दर्पण (C)…
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