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Output Devices Quiz Questions and Answers 127 PDF Download

Learn output devices quiz, online Cambridge GCE physics test 127 for online courses, distance learning. Free physics MCQs questions and answers to learn output devices MCQs with answers. Practice MCQs to test knowledge on output devices, gas particles, channels comparison, young double slit experiment, diffraction of waves for preparation with interactive student guide tests.

Free output devices course worksheet has multiple choice quiz question as output current from an led is with options 20 ma, 30 ma, 40 ma and 50 ma with problems solving answer key to test study skills for online e-learning, viva help and jobs' interview preparation tips, study electronics multiple choice questions based quiz question and answers.

Quiz on Output Devices Quiz PDF Download Worksheet 127

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