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ET Now on MSNCBSE 12th Physics on Feb 21; Preparation tips to score wellCBSE Class 12 Physics is scheduled to be held on February 21. Here are the preparation tips by Harish Bisht, Educator Senior ...
The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...
The students preparing for NEET UG 2025 can get an overall idea to focus on specific topics, which will help them to score ...
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