In order to view the sun; the most suitable instrument to use is?

A. helioscope
B. telescope
C. stroboscope
D. sun meter

Correct Answer:

Option A = helioscope

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.