నాభ్యంతరం f (గాలిలో)గా గల కుంభాకార దర్పణం ద్రవంలో ముంచబడుతుంది. ద్రవంలోని దర్పణం యొక్కనాభ్యంతరం \(\left( {\mu = \frac{4}{3}} \right)\) ఇలా ఉంటుంది:?

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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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  • 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.
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