SSC Sample Paper

done NCERT - Sample Paper-7 Total Questions - 5    [Download]

• question_answer1)
  With reference to 'LiFi', recently in the news, which of the following statement(s) is/are correct?          (2017)

  1. It uses light as the medium for high speed data transmission.

  2. It is a wireless technology and is several times faster than 'WiFi'.

  Select the correct answer using the code given below:

  A)
   1 only
  done clear
  B)
          2 only
  done clear
  C)
   Both 1 and 2    
  done clear
  D)
   Neither 1 nor 2
  done clear
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• question_answer2)
  'Project Loon' sometimes seen in the news, is related to-                                                                           (2016)
  A)
   Waste management technology
  done clear
  B)
   Wireless communication technology
  done clear
  C)
   Solar power production technology
  done clear
  D)
   Water conservation technology
  done clear
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• question_answer3)
  'Net metering' is sometimes seen in the news in the context of promoting the                                                        (2013)
  A)
   Production and use of solar energy by the households/consumers
  done clear
  B)
   Use of piped natural gas in the kitchens of households
  done clear
  C)
   Installation of CNG kits in motor-car
  done clear
  D)
   Installation of water meters in urban households
  done clear
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• question_answer4)
  What is the purpose of 'evolved Laser Interferometer Space Antenna (eLISA)? project?                     (2017)
  A)
   To detect neutrinos
  done clear
  B)
   To detect gravitational waves
  done clear
  C)
   To detect the effectiveness of missile defence system
  done clear
  D)
   To study the effect of solar flares on our communication systems
  done clear
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• question_answer5)
  Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays?                                                                                        (2017)

  1. OLED displays can be fabricated on flexible plastic substrates.

  2. Roll-up displays embedded in clothing can be made using OLEDs.

  3. Transparent displays are possible using OLEDs.

  Select the correct answer using the code given below:

  A)
   1 and 3 only
  done clear
  B)
   2 only
  done clear
  C)
   1, 2 and 3
  done clear
  D)
   None of the above statements is correct
  done clear
  View Answer play_arrow