Post Utme Summit University 2021 Physics Question 22

Practice objective / multiple choice question 22 from the 2021 Post Utme Summit University Physics examination.

Post Utme Summit University 2021 Physics Objective / Multiple Choice
Question 22 POST_UTME_SUMMIT_UNIVERSITY • 2021 • PHYSICS • objective
Post Utme Summit University 2021 Physics Question 22 diagram

A convex lens of focal length 20 cm is placed in contact with a concave lens of focal length -15 cm. A parallel beam of light is incident on the convex lens. Determine the nature and focal length of the resulting lens system.

Answer Options

Correct Answer A. Concave lens with focal length -30 cm
B. Convex lens with focal length 30 cm
C. Concave lens with focal length -25 cm
D. Convex lens with focal length 25 cm
Correct Answer
A
Correct Option:
Concave lens with focal length -30 cm

About This Question

This is Post Utme Summit University 2021 Physics Question 22. It is one of the objective questions from the 2021 Post Utme Summit University Physics examination.

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