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With regard to convex and concave lenses, which of the following sentences are correct? 1. Convex lenses are used in reading spectacles 2. Concave lenses are used in spectacles to correct the defect of vision called myopia 3. Convex lenses are used in spectacles to correct the defect of vision called myopia 4. Concave lenses are used as magnifying glasses
Correct Answer: (d)
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This question appeared in the GPSC Prelims 2019 examination (GS-II). It is Question 115 out of 400 questions in this paper.
This question was part of the GPSC Prelims 2019 (GS-II). The GPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all GPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.