The mass of a stone is 15.0g when completely immersed in water and 10.0g when...

JAMB 1991

The mass of a stone is 15.0g when completely immersed in water and 10.0g when completely immersed in a liquid of relative density 2.0. The mass of the stone in air is

A. 5.0g
B. 12.0g
C. 20.0g
D. 25.0g

WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Correct Answer: Option C

Explanation

R.D = \(\frac{\text{ mass of liquid displaced}}{\text {mass of water displaced}}\)

2 = \(\frac{m - 10}{m - 15}\)

m = 20g

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

WAEC TIME TABLE for 2026? Answer this

1 Answers · Chemistry · 2 days ago
Can I study nursing with 180 and a good o level result in southern Delta university? Answer this

0 Answers · Medical Science · 1 day ago
the bearing of ships A and B from a Port P are 225 and 116 respectively .ship A is 3.9km... Answer this

2 Answers · Mathematics · 5 years ago

Your School's Whatsapp Group - Join Us now

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

The mass of a stone is 15.0g when completely immersed in water and 10.0g when...

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