A transparent rectangular block 5.0cm thick is placed on a black dot. The dot when...

WAEC 1988

A transparent rectangular block 5.0cm thick is placed on a black dot. The dot when viewed from above is seem 3.0cm from the top of the block calculate the refractive index of the material of the block.

A. 2/5
B. 3/5
C. 3/2
D. 5/3
E. 5/2

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

WAEC offline past questions - with all answers and explanations in one app - Download for free

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

Correct Answer: Option D

Explanation

refractive index = real depth ÷ apparent depth

→ 5 ÷ 3

n = 5/3

Previous Next

Go back to Phy classroom

Report an Error Ask A Question Download App

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

Contributions ({{ comment_count }})

Please wait...

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

Quick Questions

Manifesto of a senior Prefect in school? Answer this

1 Answers · Current Affairs · 18 hours ago
what will be your duties if you are appointed as senior Prefect in school? Answer this

1 Answers · 18 hours ago
Visions and missions of a senior Prefect? Answer this

1 Answers · English Language · 22 hours ago

A transparent rectangular block 5.0cm thick is placed on a black dot. The dot when...

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