Atomic Absorption Interview Questions

Atomic Absorption interview questions

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Total Questions: 5

1. In Atomic Absorption Spectroscopy, which of the following is the generally used radiation source?

A. Tungsten lamp

B. Xenon mercury arc lamp

C. Hydrogen or deuterium discharge lamp

D. Hollow cathode lamp

Correct Answer is : Hollow cathode lamp

2. In Atomic Absorption Spectroscopy, with what material is the cathode in Hollow cathode lamp constructed?

A. Tungsten

B. Quartz

C. Element to be investigated

D. Aluminium

Correct Answer is : Element to be investigated

3. How can the intensity of radiation be increased in Hollow cathode lamp?

A. Addition of non-conductive protective shield of mica

B. Addition of nitrogen to neon or argon in the lamp

C. Increasing the pressure of the filling gas

D. Changing the metal of the anode

Correct Answer is : Addition of non-conductive protective shield of mica

4. Which of the following is the function of the chopper in Atomic Absorption Spectroscopy?

A. To split the beam into two

B. To break the steady light into pulsating light

C. To filter unwanted components

D. To reduce the sample into atomic state

Correct Answer is : To break the steady light into pulsating light

5. Which of the following is the function of Flame or Emission system in Atomic Absorption Spectroscopy?

A. To split the beam into two

B. To break the steady light into pulsating light

C. To filter unwanted components

D. To reduce the sample into atomic state

Correct Answer is : To reduce the sample into atomic state

Atomic Absorption interview questions