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Output Devices Quiz Questions and Answers 127 PDF Book Download

Output devices quiz questions and answers, output devices online learning, GCE A level physics test prep 127 for distance education eCourses. Undergraduate degree and master's degree eCourses MCQs on electronics quiz, output devices multiple choice questions to practice physics quiz with answers. Learn output devices MCQs, career aptitude test on diffraction of waves, young double slit experiment, channels comparison, gas particles, output devices test for online mastering physics courses distance learning.

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Quiz on Output Devices Worksheet 127Quiz Book Download

Output Devices Quiz

MCQ: Output current from an LED is

  1. 20 mA
  2. 30 mA
  3. 40 mA
  4. 50 mA


Gas Particles Quiz

MCQ: At standard pressure and temperature average speed of molecules is

  1. 400 m s-1
  2. 500 m s-1
  3. 600 m s-1
  4. 700 m s-1


Channels Comparison Quiz

MCQ: A wave of frequency 1 GHz has wavelength of

  1. 0.4 m
  2. 0.5 m
  3. 0.2 m
  4. 0.3 m


Young Double Slit Experiment Quiz

MCQ: Interference pattern of light and dark bands on screen is called

  1. graphical pattern
  2. line spectrum
  3. light spectrum
  4. fringes


Diffraction of Waves Quiz

MCQ: Microwaves have wavelength of about

  1. 10 cm
  2. 20 cm
  3. 30 cm
  4. 40 cm