important question of class 9 CBSE that will come in science final paper
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what are the imp Q for CBSE class 9
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1) Rutherford experiment
2) Bhors model Draw back.
3)derive second equation of motion.
4) Define SONAR
5) what will you understand by Archimedes principal
6) state three law of Kepler for planetary motion.
2) Bhors model Draw back.
3)derive second equation of motion.
4) Define SONAR
5) what will you understand by Archimedes principal
6) state three law of Kepler for planetary motion.
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