Utme 2019 Physics Question 18

Practice objective / multiple choice question 18 from the 2019 Utme Physics examination. This question covers General .

Utme 2019 Physics Objective / Multiple Choice 3 Difficulty

Topic: General

Question 18 UTME • 2019 • PHYSICS • objective

A bar of initial length \( l_{0} \) is heated through a temperature change \( \Delta t \) to a new length \( l \). The linear expansivity, \( \alpha \), of the bar is

A. \( \overline{l \Delta t} \)

Correct Answer B. \( \frac{l-l_{0}}{l_{0} \Delta t} \)

C. \( l_{0}(1+\Delta 1) \)

D. \( \frac{l-l_{0}}{l(1+\Delta \mathrm{t}) } \)

Correct Answer

Correct Option:

\( \frac{l-l_{0}}{l_{0} \Delta t} \)

This is Utme 2019 Physics Question 18. It is one of the objective questions from the 2019 Utme Physics examination.

The question covers General .

Difficulty level: 3 .

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