రిమోట్ కంట్రోల్ నుండి ఏ రకమైన రేడియేషన్ విడుదలవుతుంది?

This question was previously asked in
RRB ALP CBT 2 Electronic Mechanic Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. దృగ్గోచర
  2. అతినీలలోహిత
  3. ఇన్ఫ్రారెడ్
  4. రేడియో ఫ్రీక్వెన్సీ

Answer (Detailed Solution Below)

Option 3 : ఇన్ఫ్రారెడ్
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  • రిమోట్ కంట్రోల్ పరికరాన్ని ఉపయోగించి టీవీని ఆపరేట్ చేయవచ్చు.
  • సూచనలను ప్రసారం చేయడానికి రిమోట్ కంట్రోల్‌లోని ఫోటోడియోడ్ ద్వారా ఇన్‌ఫ్రా-రెడ్ కిరణాలు విడుదలవుతాయి.
  • TV రిమోట్ యొక్క పని సూత్రం సమాచార మాధ్యమంగా పరారుణ తరంగాలపై ఆధారపడి ఉంటుంది .
  • పరారుణ తరంగాల తరంగదైర్ఘ్యం 700 nm నుండి 1 mm వరకు ఉంటుంది.
  • ఇన్‌ఫ్రారెడ్ రిమోట్ కంట్రోల్ ద్వారా టెలివిజన్ ఛానెల్‌ని మార్చడం అనేది పాయింట్-టు-పాయింట్ కనెక్షన్‌కి ఉదాహరణ.
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