Select the option that can be used as a one-word substitute for the given group of words.
An instrument that forms spectra of the visible region of the electromagnetic spectrum.
1
Spectroscope
2
Kaleidoscope
3
Fetoscope
4
Horoscope
Select the option that can be used as a one-word substitute for the given group of words.
An instrument that forms spectra of the visible region of the electromagnetic spectrum.
Horoscope