Question : Which instrument is used for photographing the Sun?
Option 1: Galvanometer
Option 2: Potentiometer
Option 3: Spectrophotometer
Option 4: Spectroheliograph
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Correct Answer: Spectroheliograph
Solution : The correct option is a Spectroheliograph .
The spectroheliograph is an astronomical apparatus that takes a monochromatic photo of the Sun at a single wavelength of light. Typically, the wavelength is selected to match the spectral wavelength of a chemical element in the Sun. The quantity of photons (the intensity of light) absorbed after passing through a sample solution is measured by a spectrophotometer.
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