Which of the following instrumental component is not required in atomic emission spectrometer?

جوہری اخراج اسپیکٹومیٹر میں مندرجہ ذیل میں سے کون سا آلہ کار جزو کی ضرورت نہیں ہے؟

Monochromator

Source of electromagnetic radiation

Detector

None of these

Atomic emission spectrometers generate their own light from excited atoms, so an external radiation source is not needed.

Monochromators, detectors and fuel are essential for analyzing emitted light.