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Which instrument is used for viewing the sun?
1. Stroboscope
2. Telescope
3. Helioscope
4. Sun meter

1 Answer

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Best answer
Correct Answer - Option 3 : Helioscope

The correct answer is Helioscope.

  • Helioscope was first used by Benedetto Castelli in 1578 
  • Since observing the sun directly can damage eyesight and its difficult to observe anything directly in Helioscope sunlight is projected on a white sheet of paper with a help of telescope-like equipment and then any changes like eclipse can be observed easily by observing the sheet 

Explanation:

  • A helioscope is an instrument used for observing the sun and sunspots.
  • The helioscope was first used by Benedetto Castelli and refined by Galileo Galilei.

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