the ratio of the linear expansivity of copper to that of iron is approximately 1.5....

JAMB 1980

the ratio of the linear expansivity of copper to that of iron is approximately 1.5. A specimen of iron and a specimen of copper expands by the same amount per unit rise in temperature. The ratio of their length is

A. 3
B. 1.5
C. 1.32
D. 1
E. 0.67

JAMB CBT Mobile App 2025 - Free Download

JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!

WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076

Correct Answer: Option E

Explanation

\(\alpha_1\)L₁ = \(\alpha_2\)L₂

\(\frac{L_1}{L_2}\) = \(\frac{\alpha_1}{1.5\alpha_2}\) (since a₁- 1.5\(\alpha_2\))

\(\frac{L_1}{L_2}\) = 0.67

Previous Next

Go back to Phy classroom

Report an Error Ask A Question Download App

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

In electrovalency, the valence electrons are transferred and the atomic number is (a) Also stabilized (b) stabilized (c) unaffected (d)... Answer this

3 Answers · Chemistry · 18 hours ago
I have been trying to use the myschool app but it is asking me to verify my email I tried... Answer this

0 Answers · 19 minutes ago
Does JAMB repeat questions for English comprehension? Like do they repeat comprehension passages? Also I'm writing my JAMB tomorrow and... Answer this

11 Answers · 19 hours ago

the ratio of the linear expansivity of copper to that of iron is approximately 1.5....

Correct Answer: Option E

Explanation

Contributions ({{ comment_count }})

Please wait...

Modal title

Report

Block User

{{ feedback_modal_data.title }}

Quick Questions

Post your Contribution

Sign In