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Download FBISE Federal Board 9th class physics chapter 5 Gravitation Exercise conceptual questions pdf. Unit 5: Gravitation Exercise Conceptual Questions: Question 1: Newton’s law of gravitation Suggests that gravitational force acts between any two material objects. Then why do two chairs in your room not attract each other due to this force? Answer: Because the … Read more
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Physics class 10 chapter 10 comprehension questions, FBISE Federal Board National Book Foundation. Question: What do you mean by oscillation? Define simple harmonic motion. What are conditions for a body to perform SHM? Give examples of bodies which perform SHM. Questions Covered: simple harmonic motion definition, simple harmonic motion examples, conditions for simple harmonic motion, … Read more
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Question: Rub plastic ruler with your hair. Place it near running water from tap. You see that thin stream of water is deflected. Explain why? Answer: Thin stream of water is deflected because of electrostatic induction when a charged plastic ruler is brought near it. Explanation: When plastic ruler is rubbed with hair, it gets … Read more
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