A boy observes a piece of stone at the bottom of a river 6.0m deep....

JAMB 2000

A boy observes a piece of stone at the bottom of a river 6.0m deep. If he looks from the surface of the river, what is the apparent distance of the stone from him? [Refractive Index of Water = 4/3]

A. 8.0m
B. 5.5m
C. 5.0m
D. 4.5m

JAMB CBT Mobile App 2024 - Free Download

JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!

WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995

WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709

Correct Answer: Option D

Explanation

Refractive Index = Real Depth/App. Depth
4/3 = 6/app. depth
App Depth = (3 x 6)/4 = 4.5m

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

please why can't i check my jamb results online i wrote on the 20th and finding it very hard to... Answer this

1 Answers · 28 minutes ago
determine the empirical formula of a gaseous hydrocarbon R of mass 70g occupies a volume of 2.2dm3 at STP if... Answer this

1 Answers · 1 hour ago
emulsification of fat and oil is what? Answer this

2 Answers · Biology · 7 hours ago

A boy observes a piece of stone at the bottom of a river 6.0m deep....

Correct Answer: Option D

Explanation

Contributions ({{ comment_count }})

Please wait...

Modal title

Report

Block User

{{ feedback_modal_data.title }}

Quick Questions

Post your Contribution

Sign In