Physics · JEE

Refraction of light through a prism, microscope and astronomical telescope (reflecting and refracting) and their magnifying powers Previous Year Questions for JEE

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Part of Optics in JEE Main Physics.

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Q1PhysicsUnit 16: Optics

A telescope gives an (inverted erect) and

\ldots \ldots .

(enlarged/diminished) image of a distant object. Choose the correct alternative.

Q2PhysicsUnit 16: Optics

A reflecting telescope utilises:

Q3PhysicsUnit 16: Optics

Large astronomical telescopes always use as objective

Q4PhysicsUnit 16: Optics

To increase the magnification of a telescope

Q5PhysicsUnit 16: Optics

A compound microscope has an objective lens of

1.0 \mathrm{cm}

focal length and an eye-piece of

2.5 \mathrm{cm}

of focal length. When the object is placed at

1.1 \mathrm{cm}

from the objective, the final image is at the least distance of direct vision. Thus, the magnification produced is

Q6PhysicsUnit 16: Optics

Assertion If objective and eye lenses of a microscope are interchanged then it can work as telescope. Reason The objective lens of telescope has small focal length.

Q7PhysicsUnit 16: Optics

A microscope is focused on a mark, then a glass slab of refractive index 1.5 and thickness of

3 \mathrm{cm}

is placed on the mark to get the mark again in focus, the microscope should be moved

Q8PhysicsUnit 16: Optics

When white light is incident on a prism, which of the following ray will experience lesser deviation?

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Why practise PYQs for Refraction of light through a prism, microscope and astronomical telescope (reflecting and refracting) and their magnifying powers?

PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

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Our bank includes exam-style MCQs aligned with JEE Main Physics syllabus for Refraction of light through a prism, microscope and astronomical telescope (reflecting and refracting) and their magnifying powers, covering the same topics as previous year papers.

How should I use PYQs for Optics?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

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