Igcse Model Questions Vol1 2017 Physics Question 19

Practice objective / multiple choice question 19 from the 2017 Igcse Model Questions Vol1 Physics examination.

Igcse Model Questions Vol1 2017 Physics Objective / Multiple Choice Medium Difficulty
Question 19 IGCSE_MODEL_QUESTIONS_VOL1 • 2017 • PHYSICS • objective

A converging lens has a focal length of \(f = 0.20\,\text{m}\). An object (a candle) and a screen are fixed 1.00 m apart. The lens can be placed anywhere between them to form a real image on the screen. (a) Determine the two possible positions of the lens measured from the object. (b) Find the magnification for each position. (c) State the power of the lens in dioptres.

Answer Options

Correct Answer A. a) 0.276 m and 0.724 m; b) 0.38 and 2.62; c) +5 D
B. a) 0.300 m and 0.700 m; b) 0.45 and 2.22; c) +6 D
C. a) 0.250 m and 0.750 m; b) 0.33 and 3.00; c) +4 D
D. a) 0.200 m and 0.800 m; b) 0.25 and 4.00; c) +5.5 D
Correct Answer
A
Correct Option:
a) 0.276 m and 0.724 m; b) 0.38 and 2.62; c) +5 D

About This Question

This is Igcse Model Questions Vol1 2017 Physics Question 19. It is one of the objective questions from the 2017 Igcse Model Questions Vol1 Physics examination.

Difficulty level: Medium .

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