) A particle has SHM x=Asin(ωt+ϕ)x=Asin(ωt+ϕ). The phase at the first maximum positive displacement is A 00 B π/2π/2 C
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Chapter 9: Oscillations and Waves (Set-4)
For SHM, the time taken to go from mean position to extreme position is A T B T/2 C T/8
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For SHM x=Acos(ωt)x=Acos(ωt), the initial displacement at t=0t=0 is A 0 B -A C A/2 D A Explanation Putting t=0t=0
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For SHM written as x=Asin(ωt+ϕ)x=Asin(ωt+ϕ), the quantity ϕϕ is called A Angular frequency B Phase constant C Time period D
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Which condition defines SHM for a particle? A B. Restoring ∝ displacement B A. Constant speed C C. Force ∝
Continue readingChapter 8: Thermodynamics and Thermodynamic Potentials (Set-5)
A system absorbs 300 J heat. During the process, 120 J work is done on the system. The change in
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A gas absorbs 120 J and is compressed so that 80 J work is done on it. The change in
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A gas absorbs 200 J heat and does 50 J work on surroundings. The change in internal energy is A
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A temperature is meaningful for a system only when it is in A Chemical reaction B Rapid expansion C Free
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Two bodies A and B are each separately in thermal equilibrium with a third body C. What can be concluded
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