JAMB - Physics (2022 - No. 28)
In order to view the sun, the most suitable instrument to use is?
helioscope
telescope
stroboscope
sun meter
คำอธิบาย
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.