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DEFINITIONS 1. Radioactivity: Radioactivity is a nuclear phenomenon which is defined as a spontaneous disintegration of the…
WBJEE Question papers, solutions, notes and study materials
PREVIOUS YEAR QUESTION PAPER 2020 mathematics physics&chemistry 2019 mathematics physics&chemistry 2018 mathematics physics&chemistry…
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MATHEMATICAL TOOLS UNITS AND MEASUREMENTS MOTION IN STRAIGHTÂ LINE(kinematics) MOTION IN A PLANE vector relative motion projectile motion LAWS OF…