X-Ray Spectroscopy Questions & Answers

1. The cathode in the Coolidge tube is made of which of the following elements?

a) Quartz

b) Iron

c) Tungsten

d) Barium

Answer: Tungsten

2. In X-ray spectrometers, the specimen or the sample is placed after which of the following components?

a) X-ray tube

b) Monochromator

c) Collimator

d) Detector

Answer: X-ray tube

3. Using which of the following components is the generated x-rays focussed upon the specimen?

a) X-ray tube

b) Monochromator

c) Collimator

d) Detector

Answer: Collimator

4. When compared to filters, monochromators provide much signal to noise ratio.

a) True

b) False

Answer: True

5. The cathode in the Coolidge tube is kept in an inclined manner.

a) True

b) False

Answer: False

6. Which of the following is not a target metal used in Coolidge tube?

a) Rhodium

b) Cobalt

c) Gold

d) Silver

Answer: Gold

7. How can the resolution of the collimator be increased?

a) By reducing the separation between the metal plates of the collimator

b) By increasing the separation between the metal plates of the collimator

c) By increasing the number of metal plates

d) By decreasing the number of metal plates

Answer: By reducing the separation between the metal plates of the collimator

8. When x-rays emitted from molybdenum are allowed to pass through a zirconium filter, which of the following occurs?

a) It absorbs radiation of shorter wavelength

b) It absorbs radiation of longer wavelength

c) It allows radiation of shorter wavelength to pass through

d) It allows radiation in a particular band to pass through

Answer: It absorbs radiation of longer wavelength

9. Which of the following crystals are not suited for x-ray grating?

a) Topaz

b) Lithium fluoride

c) Calcium fluoride

d) Sodium fluoride

Answer: Sodium fluoride

10. Which of the following components are used to generate X-rays?

a) Meyer tube

b) West tube

c) Anger tube

d) Coolidge tube

Answer: Coolidge tube