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Optical Instruments for NEET: 12 solved questions

Real NEET paper questions on optical instruments, part of ray optics and optical instruments. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 1995 to 2022. No sign-in needed to read them.

What this topic asks

• Telescopes — 8 questions
• Human eye and defects of vision — 4 questions

All 12 questions with solutions

• An astronomical refracting telescope is being used by an observer to observe planets in normal adjustment. Th… NEET 2022
• A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope,… NEET 2021
• A astronomical telescope has objective and eyepiece of focal lengths 40 cm and 4 cm respectively. To view an… NEET 2016
• A person can see clearly objects only when they lie between 50 cm and 400 cm from his eyes. In order to incre… NEET 2016
• In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part o… AIPMT 2015
• If the focal length of objective lens is increased, then magnifying power of AIPMT 2014
• For a normal eye, the cornea of eye provides a converging power of 40 D and the least converging power of the… NEET 2013
• The magnifying power of a telescope is 9. When it is adjusted for parallel rays the distance between the obje… CBSE AIPMT 2012
• A telescope has an objective lens of 10 cm diameter and is situated at a distance of one kilometre from two o… CBSE AIPMT 2004
• Diameter of human eye lens is 2 mm. What will be the minimum distance between two points to resolve them, whi… CBSE AIPMT 2002
• An astronomical telescope of ten-fold angular magnification has a length of 44 cm. The focal length of the ob… CBSE AIPMT 1997
• The hypermetropia is a CBSE AIPMT 1995