Analytical Instrumentation Practice Test 6

1. Which of the following acts as quenching gas in Geiger Muller counter?

2. Which of the following represent the concentration of a solution?

3. When UV light is absorbed by the fluor molecules the light emitted is in which of the following colours?

4. Which of the following are highly effective in producing ion pairs when they pass through the matter?

5. In which part of the apparatus is the reference and ion selective electrodes placed?

6. Given below is the block diagram of proportional counter. Identify the unmarked component.

7. A quench curve can be constructed by plotting the counting efficiency versus ____________

8. Which of the following is a pattern of holes through gamma ray absorbing material, usually lead or tungsten?

9. Which of these particles are highly penetrating?

10. The reduction in counting efficiency of the scintillation detector is called as __________