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Exam
NEET
Subject
Physics
Chapter
Thermal Properties of Matter

NEET · Physics · Thermal Properties of Matter

What is the tension developed in a brass wire initially 1.8 m long...

What is the tension developed in a brass wire initially 1.8 m long at 27°C and cooled to -39°C, with a diameter of 2.0 mm, between two rigid supports, given the coefficient of linear expansion of brass is 2.0 × 10⁻⁵ K⁻¹ and Young’s modulus of brass is 0.91 × 10¹¹ Pa?

Options

  1. A4.28 × 102{{10}^{2}} N
  2. B3.8 × 102{{10}^{2}} N
  3. C9.28 × 102{{10}^{2}} N
  4. D3.11 × 102{{10}^{2}} N

Correct answer

C. 9.28 × 102{{10}^{2}} N

Step-by-step solution

Correct Option is : (C)
9.28 × 102{{10}^{2}} N
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