Neco 2017 Physics Question 50

Practice objective / multiple choice question 50 from the 2017 Neco Physics examination.

Neco 2017 Physics Objective / Multiple Choice Medium Difficulty
Question 50 NECO • 2017 • PHYSICS • objective

Two thin converging lenses are placed coaxially. Lens\(_1\) has a focal length \(f_1 = 12\,\text{cm}\) and lens\(_2\) has a focal length \(f_2 = 18\,\text{cm}\). The lenses are separated by \(30\,\text{cm}\). An object is located \(45\,\text{cm}\) to the left of L\(_1\). Determine the distance of the final image from L\(_2\) on the right-hand side. Give your answer to one decimal place in centimetres.

Answer Options

A. 7.8 cm
B. 12.3 cm
Correct Answer C. 9.6 cm
D. 15.0 cm
Correct Answer
C
Correct Option:
9.6 cm

About This Question

This is Neco 2017 Physics Question 50. It is one of the objective questions from the 2017 Neco Physics examination.

Difficulty level: Medium .

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