An object of volume 400cm3 and 2.5gcm-3 is suspended from a spring balance with half...

WAEC 2016

An object of volume 400cm³ and 2.5gcm^-3 is suspended from a spring balance with half its volume immersed in water. Determine the reading on the spring balance. (Density of water = 1gcm^-3)

A. 1200g
B. 1000g
C. 800g
D. 400g

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 C

Explanation

Mass = density x volume

400 x 2.5 = 1000g

Loss in mass = volume x density

= \(\frac{400}{2}\) x 1 = 200g

Reading on spring balance = 1000 - 200g = 800g

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

how many questions is jamb for science class? Answer this

2 Answers · Biology · 10 hours ago
How can I get to know figure of speech off head? Answer this

2 Answers · Literature in English · 11 hours ago
The question that can come to you doing the jamp? Answer this

1 Answers · Literature in English · 6 hours ago

An object of volume 400cm3 and 2.5gcm-3 is suspended from a spring balance with half...

Correct Answer: Option C

Explanation

Contributions ({{ comment_count }})

Please wait...

Modal title

Report

Block User

{{ feedback_modal_data.title }}

Quick Questions

Post your Contribution

Sign In