నాభ్యంతరం f (గాలిలో)గా గల కుంభాకార దర్పణం ద్రవంలో ముంచబడుతుంది. ద్రవంలోని దర్పణం యొక్కనాభ్యంతరం ఇలా ఉంటుంది:?

This question was previously asked in
RRB ALP Previous Paper 1 (Held On: 9 Aug 2018 Shift 1)
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  1. (4/3) f
  2. (3/4) f
  3. (7/3) f
  4. F

Answer (Detailed Solution Below)

Option 4 : F
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Detailed Solution

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  • దర్పణాల నాభ్యంతర మాధ్యమం యొక్క వక్రీభవన సూచికపై ఆధారపడి ఉండదు.
  • మునిగిపోయిన వస్తువు కటకం కానంత వరకు పతన కిరణ కోణం మరియు ప్రతిబింబ కోణం అలాగే ఉంటాయి. కాబట్టి, నాభ్యంతరం F వలెనే ఉంటుంది.
Latest RRB ALP Updates

Last updated on Jul 15, 2025

-> The Railway Recruitment Board has scheduled the RRB ALP Computer-based exam for 15th July 2025. Candidates can check out the Exam schedule PDF in the article.

-> RRB has also postponed the examination of the RRB ALP CBAT Exam of Ranchi (Venue Code 33998 – iCube Digital Zone, Ranchi) due to some technical issues.

-> The Railway Recruitment Board (RRB) has released the official RRB ALP Notification 2025 to fill 9,970 Assistant Loco Pilot posts.

-> The official RRB ALP Recruitment 2025 provides an overview of the vacancy, exam date, selection process, eligibility criteria and many more.

->The candidates must have passed 10th with ITI or Diploma to be eligible for this post. 

->The RRB Assistant Loco Pilot selection process comprises CBT I, CBT II, Computer Based Aptitude Test (CBAT), Document Verification, and Medical Examination.

-> This year, lakhs of aspiring candidates will take part in the recruitment process for this opportunity in Indian Railways. 

-> Serious aspirants should prepare for the exam with RRB ALP Previous Year Papers.

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