Download CBSE Class Physics 12 Pre-Board Sample Papers 2025–26 with solutions for all subjects in free PDF format. These papers are curated by experts as per the latest CBSE syllabus and exam pattern.
Atoms Class 12 MCQ Questions: In the 19th century, various evidence came up that supported the atomic hypothesis of matter. J. J. Thomson's 1897 experiments on electric discharge through gases ...
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