Neco 2017 Physics Question 39

Practice objective / multiple choice question 39 from the 2017 Neco Physics examination.

Neco 2017 Physics Objective / Multiple Choice Medium Difficulty
Question 39 NECO • 2017 • PHYSICS • objective

A metal rod has a length of 1.200 m at 20\(^\circ\)C. When heated to 70\(^\circ\)C, its length becomes 1.206 m. Assuming linear expansion, determine the coefficient of linear expansion \(\alpha\) (in \(^\circ\)C\(^{-1}\)) of the metal and then calculate its length at \(-30\)^\circ\)C.

Answer Options

Correct Answer A. 1.194 m
B. 1.210 m
C. 1.200 m
D. 1.186 m
Correct Answer
A
Correct Option:
1.194 m

About This Question

This is Neco 2017 Physics Question 39. It is one of the objective questions from the 2017 Neco Physics examination.

Difficulty level: Medium .

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