Post Utme Noun 2020 Physics Question 22

Practice objective / multiple choice question 22 from the 2020 Post Utme Noun Physics examination.

Post Utme Noun 2020 Physics Objective / Multiple Choice
Question 22 POST_UTME_NOUN • 2020 • PHYSICS • objective
Post Utme Noun 2020 Physics Question 22 diagram

A light ray passes through a convex lens and is focused at a dis\tance of 20 cm from the lens. If the object dis\tance is 30 cm, what is the focal length of the lens?

Answer Options

Correct Answer A. 10 cm
B. 20 cm
C. 30 cm
D. 40 cm
Correct Answer
A
Correct Option:
10 cm

About This Question

This is Post Utme Noun 2020 Physics Question 22. It is one of the objective questions from the 2020 Post Utme Noun Physics examination.

View More Post Utme Noun 2020 Physics Questions More Post Utme Noun Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support