വളരെ ഉയർന്ന ആവൃത്തി (VHF) ബാൻഡ് ശ്രേണിയാണ് 

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ALP CBT 2 Electronic Mechanic Previous Paper: Held on 21 Jan 2019 Shift 1
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  1. 30 MHz മുതൽ 300 MHZ വരെ 
  2. 3 kHz മുതൽ 3,000 kHz വരെ 
  3. 30 Hz മുതൽ 30 kHz വരെ 
  4. 30 kHz മുതൽ 300 kHz വരെ 

Answer (Detailed Solution Below)

Option 1 : 30 MHz മുതൽ 300 MHZ വരെ 
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Detailed Solution

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സമ്പൂർണ്ണ ശ്രേണിയുടെ ആവൃത്തി സ്പെക്ട്രം ഇതാണ്:

പേര് 

ആവൃത്തി ശ്രേണി 

വളരെ താഴ്ന്ന ആവൃത്തി  (VLF)

0.003 MHz – 0.03 MHz

താഴ്ന്ന ആവൃത്തി  (LF)

0.03 MHz – 0.3 MHz

ഇടത്തരം ആവൃത്തി  (MF)

0.3 MHz – 3 MHz

ഉയർന്ന ആവൃത്തി  (HF)

3 MHz – 30 MHz

വളരെ ഉയർന്ന ആവൃത്തി (VHF)

30 MHz – 300 MHz

അത്യധിക ഉയർന്ന  ആവൃത്തി  (UHF- Ultra-High Frequency)

300 MHz – 3000 MHz

സൂപ്പർ ഉയർന്ന ആവൃത്തി  (SHF -Super High Frequency )

3000 MHz – 30,000 MHz

അതിരിക്ത ഉയർന്ന ആവൃത്തി  (EHF- Extra-High Frequency)

30,000 MHz – 3,00,000 MHz

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