Eamcet Physics - 1 st Year : Unit 7.7 ( Properties of Bulk Matter ) - Expansion of Solids Free Online Tests | Mock Tests | Preparation | Practice Tests

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1 st Year : Unit 7.7 ( Properties of Bulk Matter ) - Expansion of Solids

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A steel wire AB of length 100 cm is fixed rigidly at points A and B in an aluminum frame as shown in the figure. If the temperature of the system increases through 100°C, then the excess stress produced in the steel wire relative to the aluminum

Young’s Modulus of steel is 2 X 10¹¹ Nm^–2.

A. 2.2 X 10⁸ Pa

B. 22 X 10⁸ Pa

C. 0.2 X 10⁸ Pa

D. 220 X 10⁸ Pa

E. None of the above

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Correct choice: A

Explanation:

None

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Eamcet Physics 1 st Year : Unit 7.7 ( Properties of Bulk Matter ) - Expansion of Solids

Eamcet Physics
1 st Year : Unit 7.7 ( Properties of Bulk Matter ) - Expansion of Solids