The scientist who gave the plum pudding model of atom was MCQ with Answer and Explanation
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Question #1
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The speed of sound is maximum in
Question #2
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The slope of a displacement-time graph for uniform motion is
Correct Answer: Option D
Explanation:
Displacement-time graph slope = Δx/Δt = average velocity. For uniform motion, velocity constant, graph is a straight line, slope equals velocity. Acceleration would be slope of velocity-time graph. Thus, slope represents velocity. Exam trick: slope of x-t graph gives instantaneous velocity.
Displacement-time graph slope = Δx/Δt = average velocity. For uniform motion, velocity constant, graph is a straight line, slope equals velocity. Acceleration would be slope of velocity-time graph. Thus, slope represents velocity. Exam trick: slope of x-t graph gives instantaneous velocity.
Question #3
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Which of the following is an SI derived unit named after a scientist?
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