JEE Physics
Optical Instruments (Microscope, Telescope): JEE Questions & Solutions
5 previous-year JEE Physics questions on Optical Instruments (Microscope, Telescope), each with a worked step-by-step solution.
Previous-year questions
- 01In a microscope, the objective has a focal length fₒ = 2 cm and the eye-piece has a focal length fₑ = 4 cm. The tube length is 32 cm. The…NVAMediumJEE 2026
- 02A collimated beam of light of diameter 2 mm is propagating along the x-axis. The beam is required to be expanded into a collimated beam of…NVAEasyJEE 2026
- 03In a microscope of tube length 10 cm two convex lenses are arranged with focal lengths 2 cm and 5 cm. Total magnification obtained with…MCQEasyJEE 2026
- 04A scientist is observing bacteria through a compound microscope. For better analysis and to improve its resolving power, he should:MCQEasyJEE 2023
- 05In a reflecting telescope, a secondary mirror is used to: Options:MCQEasyJEE 2023
Frequently asked questions
Our bank has 5 previous-year JEE Physics questions tagged to Optical Instruments (Microscope, Telescope), drawn from JEE papers between 2023 and 2026, including 3 from 2026 alone. Each comes with a full step-by-step solution.
Optical Instruments (Microscope, Telescope) is rated Intermediate overall for JEE Physics. The PYQs on this page break down as 4 easy, 1 medium.
Of the 5 previous-year questions on Optical Instruments (Microscope, Telescope), 3 are multiple-choice (MCQ) and 2 are numerical-value (NVA) questions.
Based on recent paper analysis, Optical Instruments (Microscope, Telescope) is worth about 1 mark in JEE Main. It sits in Optics, a Class 12 Physics chapter.
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