Post Utme Joseph Ayo Babalola University 2023 Physics Question 22

Practice objective / multiple choice question 22 from the 2023 Post Utme Joseph Ayo Babalola University Physics examination.

Post Utme Joseph Ayo Babalola University 2023 Physics Objective / Multiple Choice
Question 22 POST_UTME_JOSEPH_AYO_BABALOLA_UNIVERSITY • 2023 • PHYSICS • objective

A convex lens of focal length 20 cm is placed in contact with a concave lens of focal length -15 cm. What is the focal length of the combination?

Answer Options

A. 10 cm
Correct Answer B. 15 cm
C. 20 cm
D. 30 cm
Correct Answer
B
Correct Option:
15 cm

About This Question

This is Post Utme Joseph Ayo Babalola University 2023 Physics Question 22. It is one of the objective questions from the 2023 Post Utme Joseph Ayo Babalola University Physics examination.

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