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A metal bar of length L and area of cross-section A is clamped between two rigid supports. For the material of the rod, Young’s modulus is Y and coefficient of linear expansion is α. If the temperature of the rod is increased by ∆t⁰C, the force exerted by the rod on the supports is
Options
(a) YAL.∆t
(b) Yaα.∆t
(c) Ylα.∆t/A
(d) YαAL.∆t
Correct Answer:
Yaα.∆t
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In gamma ray emission from a nucleus
- Light with an energy flux of 25×10⁴ Wm⁻² falls on a perfectly reflecting surface
- A horizontal straight conductor kept in north-south direction falls under gravity. Then
- The power supplied by a force acting on a particle moving in a straight line
- Light of wavelength λ is incident on slit of width d. The resulting diffraction
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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