Gce Model Questions Vol1 2022 Physics Question 18

Practice objective / multiple choice question 18 from the 2022 Gce Model Questions Vol1 Physics examination.

Gce Model Questions Vol1 2022 Physics Objective / Multiple Choice Medium Difficulty
Question 18 GCE_MODEL_QUESTIONS_VOL1 • 2022 • PHYSICS • objective

A candle is placed 0.20 m to the left of a converging lens L₁ whose focal length is 0.12 m. L₁ forms a real image of the candle. A second converging lens L₂ with focal length 0.08 m is positioned 0.35 m to the right of L₁. (a) Find the position of the image formed by L₁ and state whether it is real or virtual. (b) Using the image from L₁ as the object for L₂, determine the final image distance from L₂ and state its nature (real/virtual, erect/inverted). (c) Calculate the overall linear magnification of the two‑lens system.

Answer Options

A. (a) 0.25 m right of L₁, real; (b) 0.150 m left of L₂, virtual (overall inverted); (c) overall magnification ≈ -3.5
Correct Answer B. (a) 0.30 m right of L₁, real; (b) 0.133 m left of L₂, virtual (overall inverted); (c) overall magnification ≈ -4.0
C. (a) 0.18 m left of L₁, virtual; (b) 0.133 m left of L₂, real (overall inverted); (c) overall magnification ≈ -5.0
D. (a) 0.30 m right of L₁, real; (b) 0.200 m right of L₂, real (overall upright); (c) overall magnification ≈ -2.0
Correct Answer
B
Correct Option:
(a) 0.30 m right of L₁, real; (b) 0.133 m left of L₂, virtual (overall inverted); (c) overall magnification ≈ -4.0

About This Question

This is Gce Model Questions Vol1 2022 Physics Question 18. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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