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Scotograph is an instrument used for:

Scotograph is an instrument used for:

  • (A) Aiding the blind to write
  • (B) Testing the heart-beat
  • (C) Magnifying small objects
  • (D) Area from distant objects
  • Scotograph is a special writing device or writing frame that helps the blind or visually impaired write in a straight line. It has also been used to refer to a writing device used in the dark. The word is derived from the Greek word 'skotos,' meaning darkness, and 'graph,' meaning writing.
  • Testing the heartbeat: The stethoscope is the most common device used to check or listen to the heart.
  • Magnifying tiny things: Devices used to enlarge or magnify small objects include microscopes and loupes.
  • Seeing faraway items: Devices used to view or measure distant objects include telescopes, used to view, or rangefinders, used to measure distance/area.
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 ‘NATO’ is an abbreviation of:

March 18, 2026 No Comments
  • (A) North Atlantic Treaty Organization
  • (B) Non-Aligned Treaty Organization
  • (C) Non-Aligned Trading Organization
  • (D) North American Transport Organization

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