X-Ray Absorption Meter Questions and Answers

1. Absorption meter is __________ and ____________ of the chemical state of the element concerned.

a) Non-destructive, independent

b) Destructive, independent

c) Non-destructive, dependent

d) Destructive, dependent

Answer: a

2. X-ray absorption meters have which of the following major disadvantages?

a) Low accuracy

b) Low range

c) Low sensitivity

d) It is destructive

Answer: c

3. The applications of X-ray absorption meters are limited when compared with X-ray emission procedures.

a) True

b) False

Answer: a

4. In absorption meter, which of the following is placed between the cell and the X-ray tube?

a) Collimator

b) Filter

c) Chopper

d) Attenuator

Answer: c

5. In absorption meter, which of the following is placed between the chopper and the reference cell?

a) Collimator

b) Filter

c) Photomultiplier tube

d) Attenuator

Answer: d

6. In absorption meter, the two halves of the X-ray beam are allowed to fall on which of the following components?

a) Collimator

b) Filter

c) Photomultiplier tube

d) Attenuator

Answer: c

7. The photomultiplier tube used is absorption meter is coated with which of the following materials?

a) Sodium

b) Potassium

c) Phosphorous

d) Chlorine

Answer: c

8. In absorption meter, which of the following is adjusted until the absorption of two X-ray beams are brought into balance?

a) Collimator

b) Filter

c) Photomultiplier tube

d) Attenuator

Answer: d

9. In absorption meter, the change in thickness of aluminium required for different samples is a function of the difference in which of the following parameters?

a) Amount

b) Concentration

c) Colour

d) Composition

Answer: d

10. Absorption meters cannot be used to detect broken bones.

a) True

b) False

Answer: b