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CBSE Class 9 Unseen Passage Examples: The unseen passage section in the CBSE Class 9 English Exam carries 10 marks and tests students' reading comprehension, analytical skills, and vocabulary.
A new nanostructure acts like a wire and switch that can, for the first time, control and direct the flow of quantum ...
At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.
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