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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 learning, distance learning courses. Free output devices MCQs questions and answers to learn physics quiz with answers. Practice tests for educational assessment on output devices test with answers, diffraction of waves, young double slit experiment, channels comparison, gas particles, output devices practice test for online mastering physics courses distance learning.

Free online output devices course worksheet has multiple choice quiz question: output current from an led is with options 20 ma, 30 ma, 40 ma and 50 ma with online interview questions and answers for pre-employment exams of jobs placements, study electronics multiple choice questions based quiz question and answers.

Quiz on Output Devices Worksheet 127 Quiz PDF Download

Output Devices Quiz

MCQ: Output current from an LED is

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

A

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

A

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

D

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

D

Diffraction of Waves Quiz

MCQ: Microwaves have wavelength of about

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

A