Class 10 Physics MCQs (Grade 10) From Textbook

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Class 10 Physics MCQs – Practice Test 16 (Chapter 7)

Information and Communication Technology Notes Questions with Answers PDF Download – Test 16

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The Information and communication technology Notes Questions and Answers PDF (Information and Communication Technology Quiz Answers PDF e-Book) download Ch. 7-16 to study Class 10 Physics Course. Practice Transmission of Light Signals through Optical Fibers MCQ PDF, Information and Communication Technology Quiz Questions and Answers to learn distance learning courses. The Class 10 Physics Notes App to Download Free Information and Communication Technology Notes App for transmission of light signals through optical fibers, internet, flow of information, electric signal transmission test prep for online school classes.

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Information and Communication Technology MCQs – Practice Test 16 PDF Download

MCQ: 76

An electronic computing machine used for adding, subtracting or multiplying is known as

  1. fax machine
  2. computer
  3. photo phone
  4. cell phone
MCQ: 77

Light reflects into the fiber optics if the angle of incidence is

  1. less than the critical angle
  2. greater than the critical angle
  3. equal to the critical angle
  4. none of above
MCQ: 78

On the internet, the function which allows people to send and receive text messages very fast is called

  1. web browsing
  2. e-mail
  3. e-commerce
  4. post
MCQ: 79

In radio, television and cell phone information is sent either through optical fibers in the form of

  1. cathode rays
  2. electric signals
  3. light
  4. electromagnet waves
MCQ: 80

Waves of visible light have

  1. higher frequency than radio waves
  2. lower frequency than radio waves
  3. frequency equal to radio waves
  4. wavelength equal to radio waves

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