Waec Model Questions Vol1 2023 Physics Question 21

Practice objective / multiple choice question 21 from the 2023 Waec Model Questions Vol1 Physics examination.

Waec Model Questions Vol1 2023 Physics Objective / Multiple Choice Medium Difficulty
Question 21 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • PHYSICS • objective

A metal rod of length 2.0 m and cross-sectional area 0.01 m² is heated from 20°C to 80°C. If the coefficient of linear expansion of the metal is 2.0 × 10⁻⁵ °C⁻¹, calculate the increase in length of the rod.

Answer Options

A. 2.0 mm
B. 3.2 mm
Correct Answer C. 2.4 mm
D. 1.6 mm
Correct Answer
C
Correct Option:
2.4 mm

About This Question

This is Waec Model Questions Vol1 2023 Physics Question 21. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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