Quiz  /  Radio Receivers Class 12 MCQ Questions With Answers

  • 1. 
    How many American adults listen to the radio each month?

  • 105.5 million
  • 183.6 million
  • 244.5 million
  • 315.5 million

  • 2. 
    This voice is from one of the most iconic and well-known American DJ's in history. Who is he?https://www.youtube.com/watch?v=wLL30r3x7eY&ab_channel=indychauffuer

  • Johnny Cash
  • Wolfman Jack
  • Crazy Ivan Joe
  • Alan Freed

  • 3. 
    What are the letters "WEEI" in this image?

  • Owner's initials
  • Radio shorthand
  • Radio station's frequency
  • Radio station's identification code

  • 4. 
    What is the median, 2019 annual salary of a disc jockey on the radio?

  • $38,733
  • $47,291
  • $55,083
  • $75,652

  • 5. 
    Fred Caruso (WRHS Baseball coach and local radio personality) holds what job at Mix 94.1?

  • Program Director
  • Director of Sales
  • Owner
  • President

  • 6. 
    What is this? "A digital audio file made available on the Internet for downloading to a computer or mobile device, typically available as a series, new installments of which can be received by subscribers automatically."

  • MP3
  • Podcast
  • WAV. file
  • Spotify

  • 7. 
    In the first quarter of 2020, Sirius XM (satellite radio) had approximately ________________ subscribers.

  • 25 million
  • 34.77 million
  • 40.6 million
  • 95 million

  • 8. 
    In 1926, the first network (like ABC, FOX, CBS) to appear in radio was...

  • ABC
  • Nickelodeon
  • NBC
  • PBS

  • 9. 
    The "Golden Age of American Radio" lasted from...

  • 1920-1925
  • 1946-1963
  • 1776-1800
  • 1930-1955

  • 10. 
    In which of the following means is radio waves generated and detected?

  • A battery and a microscope
  • A light detector
  • A microphone and Z104 detector
  • A spark-gap transmitters and receivers

  • 11. 
    Heinrich Hertz was a famous physicist widely known for his discovery of what?

  • Electromagnetic waves
  • Gravity
  • Magnetism
  • Photons

  • 12. 
    Which of the following sparks can produce radio waves?

  • High voltage sparks
  • Low voltage sparks
  • Medium voltage sparks
  • Nominal voltage sparks

  • 13. 
    Based on the electromagnetic spectrum, which of the following do radio waves have?

  • High frequency and long wavelength
  • High frequency and short wavelength
  • Low frequency and long wavelength
  • Low frequency and short wavelength

  • 14. 
    Radio waves use ultra-high frequency band to deliver which of the following?

  • Email
  • Music
  • Signal
  • Text Message

  • 15. 
    Which theory was confirmed by the discovery of Heinrich Hertz?

  • Galilean Relativity
  • Maxwell’s Electromagnetic Theory
  • Newtonian Mechanics
  • Special Relativity

  • 16. 
    Janus has to research and give a presentation to his class on among the different types of electromagnetic waves. Which of the following would be impossible for him to work on?

  • Infrared
  • Microwave
  • Radio wave
  • Ultrasound

  • 17. 
    In what part of the transmitter did Hertz see electrical sparks?

  • Battery
  • Conductor
  • Spark-gap
  • Switch

  • 18. 
    Which of the following is the frequency range of radio waves?

  • 300 kHz – 300 GHz
  • 300 GHz - 3 x 1013 Hz
  • 3 x 1013 Hz - 3 x 1015 Hz
  • 3 GHz - 3 x 1021 Hz

  • 19. 
    Which of the following is the SI unit for frequency?

  • Hertz
  • Ampere
  • Minute
  • Kilometer

  • 20. 
    Hertz (Hz) is an SI unit for which of the following measurement?

  • distance
  • frequency
  • mass
  • time

  • 21. 
    It is an intense burst of radio-frequency energy lasting for a fraction of a second.

  • Microwave
  • Radio pulse
  • Sound
  • Ultrasound

  • 22. 
    Which of the following materials allows the flow of radio waves?

  • conductor
  • inductor
  • insulator
  • resistor

  • 23. 
    Which of the following uses radio waves?

  • Mobile phones
  • Satellites
  • Televisions
  • All of the these
Report Question
warning
access_time
  Time