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The amount of heat energy required to raise the temperature of 1g of Helium at NTP, from T₁K to T₂K is
Options
(a) (3/2) Nₐkв (T₂ – T₁)
(b) (3/4) Nₐkв (T₂ – T₁)
(c) (3/2) Nₐkв (T₂ / T₁)
(d) (3/8) Nₐkв (T₂ – T₁)
Correct Answer:
(3/8) Nₐkв (T₂ – T₁)
Explanation:
From first law of thermodynamics ∆Q = ∆U + ∆W
= (3/2) . (1/4) R (T₂ – T₁) + 0
= (3/8) Nₐkв (T₂ – T₁) [Since K = R / N ]
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Topics: Behavior of Perfect Gas and Kinetic Theory
(34)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two forces of magnitude 8N and 15N respectively act at a point so as to make the resultant force
- One milligram of matter on convertion into energy will give
- If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform
- Four cells, each of emf E and internal resistance r, are connected in series across
- If the lattice parameter for a crystalline structure is 3.6 Å, then the atomic radius
Topics: Behavior of Perfect Gas and Kinetic Theory (34)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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