Ray Optics

JEE Main level, single correct, medium

284 of 295

Question 284 of 295

An observer looks at a distant tree of height 10m10m with a telescope of magnifying power of 2020. To the observer, the tree appears as

Show answer and solution

Answer: (B) 20 times nearer.

Angular magnification of the telescope is 20 so now the tree will subtend a larger angle at the observer's eye and hence appears 20 times nearer

JEE Main question paper PDF

Open a shift to read the full paper on this page, or download it.

JEE Main 2025 Apr 2 Shift 1 question paper

Open Download PDF

Opening paper…

Explain it as a whiteboard videoStep-by-step, in Hinglish or English. Your first video needs no login.Solved it on paper but got it wrong?Upload a photo of your working. Mistake Doctor marks the exact line that broke.
See it move: Lens ray diagram simulationDrag the sliders and watch the numbers in this question change.Revise Ray Optics firstFormula sheet, solved examples and the traps students fall into.

More Physics practice

JEE Main Physics practice question on Ray Optics (Optical Instruments), with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.