School
NGR
Welcome to Schoolngr.com
Home
School
News
C B T
Classroom
Search SchoolNGR
Search
Sunday, 08 March 2026
Register
.
Login
Your browser does not seems to have Javascript enabled. Please enable Javascript in order to use all the features of this website!
The inside portion of part of a hollow metal sphere of diameter 20cm is polished. The ...
Classroom
Physics Classroom
Jamb
Jamb 2012
Reflection Of Light At Plane And Curved Surfaces
More Topics
The inside portion of part of a hollow metal sphere of diameter 20cm is polished. The portion will therefore form a
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
Concave mirror of focal length 5cm
B
Concave mirror of focal length 10cm
C
Convex mirror of focal length 5cm
D
Convex mirror of focal length 20cm
Show Answer
Show Explanation
Correct Answer:
Option A
Explanation:
Prev
Current
Next
Share question on:
Facebook
X
WhatsApp
Study Subjects
Accounts - Principles of Accounts
Animal Husbandry
Aptitude Test
Agricultural Science
Arabic
Auto Mechanics
Basic Electronics
Biology
Bookkeeping
Block laying, bricklaying, and concreting work
Load More Subject
Stay Updated
Follow us on:
Facebook
X