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  • Question

  • The input used by an antenna or cable to a TV set uses frequencies called...?


  • Options
  • A. IF
  • B. RF
  • C. AF
  • D. SAP

  • Correct Answer
  • RF 

    Explanation
    RF is radio frequency. IF is intermediate frequency used inside the TV for processing. AF is audio frequency. SAP is second audio program which may have another language or other soundtrack as an option to the main soundtrack.

    • More questions

    • 1. United Nations adapted a Charter of Economic Rights in the year

    • Options
    • A. 1969
    • B. 1974
    • C. 1956
    • D. 1964
      • Discuss
    • 2. The intersecting lines drawn on maps and globes are


    • Options
    • A. latitudes
    • B. longitudes
    • C. geographic grids
    • D. None of the above
      • Discuss
    • 3. The budget deficit means


    • Options
    • A. the excess of total expenditure, including loans, net of lending over revenue receipts
    • B. difference between revenue receipts and revenue expenditure
    • C. difference between all receipts and all the expenditure
    • D. fiscal deficit less interest payments
      • Discuss
    • 4. The infrared radiation by sun are strongly absorbed by


    • Options
    • A. carbon dioxide
    • B. water vapours
    • C. carbon dioxide and water vapours
    • D. ozone
      • Discuss
    • 5. The Board of Industrial and Financial Reconstruction (BIFR) came into existence in


    • Options
    • A. 1984
    • B. 1986
    • C. 1987
    • D. 1989
      • Discuss
    • 6. Eugenics is the study of

    • Options
    • A. altering human beings by changing their genetic components
    • B. people of European origin
    • C. different races of mankind
    • D. genetic of plants
      • Discuss
    • 7. The highest mountains in Africa, which is not part of any mountains chain, is


    • Options
    • A. Mt. Aconcagua
    • B. Mt. Kilimanjaro
    • C. Mt. Kosciuszko
    • D. Mont Blanc
      • Discuss
    • 8. How many former republics of USSR have become members of the Commonwealth of Independent States?

    • Options
    • A. 11
    • B. 10
    • C. 12
    • D. 9
      • Discuss
    • 9. The length of the tropical years (the time interval between successive occurrences of the spring equinox) is decreasing very slowly as a result of


    • Options
    • A. small, progressive changes in the earth's rotational speed
    • B. small, progressive change in earth's orbit around the sun
    • C. both (a) and (b)
    • D. None of the above
      • Discuss
    • 10. The term Khalisa in Mughal administration signified the


    • Options
    • A. entire Imperial establishment
    • B. land owned b the emperor himself
    • C. religious land grants
    • D. land from where revenue was collected for the Imperial Treasury
      • Discuss

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