GENERAL KNOWLEDGE

GK

UNITS DEVICES DIMENSIONS AND MEASUREMENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which instrument is used to record spectra?
A
Sextant
B
Spherometer
C
Spectroscope
D
Spectrometer
Explanation: 

Detailed explanation-1: -A spectrometer is used in spectroscopy for producing spectral lines and measuring their wavelengths and intensities.

Detailed explanation-2: -Spectrometry is measured by a spectrophotometer; an instrument that is made up of two instruments – a spectrometer and a photometer. The spectrometer produces the light of the wavelength and the photometer measures the intensity of light by measuring the amount of light that passes through the sample.

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