The transfer of heat by the actual movement of particles is MCQ with Answer and Explanation
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Question #1
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SHM acceleration a = -ω²x. Maximum acceleration occurs at:
Correct Answer: Option B
Explanation:
a ∝ -x; magnitude maximum when |x| maximum (extremes). At mean position x=0 ⇒ a=0. Velocity maximum at mean position. Memory aid: 'SHM: a max at extremes, v max at center'. Oscillation concept frequently tested in competitive exams to verify SHM characteristics understanding.
a ∝ -x; magnitude maximum when |x| maximum (extremes). At mean position x=0 ⇒ a=0. Velocity maximum at mean position. Memory aid: 'SHM: a max at extremes, v max at center'. Oscillation concept frequently tested in competitive exams to verify SHM characteristics understanding.
Question #2
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A wire of resistance 16 Ω is drawn to double its length. New resistance is
Question #3
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A car of mass 1000 kg moves with velocity 20 m/s. Kinetic energy is
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