MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Analytical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following options explains the process of sputtering that occurs in Hollow Cathode Lamp? |
| A. | Positive ions collide with cathode surface and metal atoms from cathode are ejected |
| B. | Negative ions collide with cathode surface and metal atoms from anode are ejected |
| C. | Positive ions collide with negative ions and metal atoms from anode are ejected |
| D. | Positive ions collide with negative ions and photons are ejected |
| Answer» B. Negative ions collide with cathode surface and metal atoms from anode are ejected | |
| 2. |
Atomic Absorption Spectroscopy is used for the analysis of metals. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following is not the requirement of a good flame in flame photometer? |
| A. | Liquid sample must be evaporated to form solid residue |
| B. | Solid residue must decompose to form atoms |
| C. | Atoms must be produced such that they have the ability to get excited to higher states |
| D. | Atoms must be produced such that they are in stable state |
| Answer» E. | |
| 4. |
Which of the following is not a fuel used in flame photometry? |
| A. | Acetylene |
| B. | Propane |
| C. | Hydrogen |
| D. | Camphor oil |
| Answer» E. | |
| 5. |
Which of the following is the function of the atomiser in the emission system of Atomic Absorption Spectroscopy? |
| A. | To split the beam into two |
| B. | To break the steady light into pulsating light |
| C. | To break large mass of liquid into small drops |
| D. | To reduce the sample into atomic state |
| Answer» D. To reduce the sample into atomic state | |
| 6. |
Which of the following is not a component of the emission system in Flame photometer? |
| A. | Burner |
| B. | Atomiser |
| C. | Fuel gases and their regulation |
| D. | Chopper |
| Answer» E. | |
| 7. |
Which of the following is the function of the 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 |
| Answer» E. | |