एक सूक्ष्मदर्शी में 2 cm फोकस दूरी का अभिदृश्यक, 4 cm फोकस दूरी का नेत्रिका और 40 cm की नली लंबाई है। यदि नेत्र की स्पष्ट दृष्टि की दूरी 25 cm है, तो सूक्ष्मदर्शी में आवर्धन है:

This question was previously asked in
NEET 2025 Official Paper (Held On: 04 May, 2025)
View all NEET Papers >
  1. 100
  2. 125
  3. 150
  4. 250

Answer (Detailed Solution Below)

Option 2 : 125
Free
CT 1: Botany (Cell:The Unit of Life)
33.5 K Users
25 Questions 100 Marks 20 Mins

Detailed Solution

Download Solution PDF

गणना:

अभिदृश्यक फोकस दूरी (fo) = 2 cm

नेत्रिका फोकस दूरी (fe) = 4 cm

नली लंबाई (L) = 40 cm

नेत्र की स्पष्ट दृष्टि की दूरी (D) = 25 cm

सूक्ष्मदर्शी के आवर्धन (m) का सूत्र:

m = (L / fo) × (D / fe)

⇒ m = (40 / 2) × (25 / 4)

⇒ m = 125

अंतिम उत्तर: सूक्ष्मदर्शी में आवर्धन 125 है।

Latest NEET Updates

Last updated on Jun 16, 2025

-> NTA has released the NEET Scorecard 2025 on the official website.

-> NEET Toppers List 2025 is now available. Candidates can check the names, scores, and all India ranks of the highest scorers.

-> NEET final answer key 2025 has been made available on June 14, 2025 on the official website for the students to check.

->NEET 2025 exam is over on May 4, 2025.

-> The NEET 2025 Question Papers PDF are now available.

-> NTA has changed the NEET UG Exam Pattern of the NEET UG 2025. Now, there will be no Section B in the examination.

-> Candidates preparing for the NEET Exam, can opt for the latest NEET Mock Test 2025

-> NEET aspirants can check the NEET Previous Year Papers for their efficient preparation. and Check NEET Cut Off here.

More Ray Optics Questions

Get Free Access Now
Hot Links: teen patti gold download apk teen patti diya teen patti master 2024 dhani teen patti teen patti bodhi