MCQOPTIONS
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MCQOPTIONS
This section includes 16 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 effects transfers all the energy of the gamma ray to an electron in the inner orbit of the atom of the absorber? |
| A. | Photoelectric effect |
| B. | Compton effect |
| C. | Pair production |
| D. | Collision effect |
| Answer» B. Compton effect | |
| 2. |
Which of the following effect occurs when a gamma ray and an electron make an elastic collision? |
| A. | Photoelectric effect |
| B. | Compton effect |
| C. | Pair production |
| D. | Collision effect |
| Answer» E. | |
| 3. |
Which of the following emissions have low ionizing power? |
| A. | Alpha particles |
| B. | Beta particles |
| C. | Gamma particles |
| D. | X-ray particles |
| Answer» D. X-ray particles | |
| 4. |
Which of the following formulae gives the expression for half-life of a radioactive isotope when ‘λ’ is the decay constant? |
| A. | 0.762/λ |
| B. | 0.693/λ |
| C. | 0.937/λ |
| D. | 0.258/λ |
| Answer» C. 0.937/λ | |
| 5. |
WHICH_OF_THE_FOLLOWING_EMISSIONS_HAVE_LOW_IONIZING_POWER??$ |
| A. | Alpha particles |
| B. | Beta particles |
| C. | Gamma particles |
| D. | X-ray particles |
| Answer» D. X-ray particles | |
| 6. |
Which of the following effects transfers all the energy of the gamma ray to an electron in the inner orbit of the atom of the absorber?$ |
| A. | Photoelectric effect |
| B. | Compton effect |
| C. | Pair production |
| D. | Collision effect |
| Answer» B. Compton effect | |
| 7. |
Which_of_the_following_effect_occurs_when_a_gamma_ray_and_an_electron_make_an_elastic_collision?$ |
| A. | Photoelectric effect |
| B. | Compton effect |
| C. | Pair production |
| D. | Collision effect |
| Answer» E. | |
| 8. |
The basic unit used to describe the energy of a radiation particle is curie. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Which of the following formulae gives the expression for half-life of a radioactive isotope when ‘λ’ is the decay constant?# |
| A. | 0.762/λ |
| B. | 0.693/λ |
| C. | 0.937/λ |
| D. | 0.258/λ |
| Answer» C. 0.937/‚âà√≠¬¨‚Ñ¢ | |
| 10. |
Which of the following is true about radiochemical methods? |
| A. | Eliminate the need for chemical preparation |
| B. | Not sensitive |
| C. | Not accurate |
| D. | Not specific |
| Answer» B. Not sensitive | |
| 11. |
The stability of the nucleus can be predicted by which of the following? |
| A. | Electron to neutron ratio |
| B. | Neutron to proton ratio |
| C. | Proton to electron ratio |
| D. | Neutron to electron ratio |
| Answer» C. Proton to electron ratio | |
| 12. |
Which of the following is not a mode by which beta particles lose energy on interaction with matter? |
| A. | Photoelectric effect |
| B. | Compton effect |
| C. | Pair production |
| D. | Collision effect |
| Answer» E. | |
| 13. |
Alpha emission is characteristic of heavier radioactive elements such as thorium, uranium, etc. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
Which of these particles are highly penetrating? |
| A. | Alpha particles |
| B. | Beta particles |
| C. | Gamma particles |
| D. | X-ray particles |
| Answer» D. X-ray particles | |
| 15. |
Which of the following can liberate photo electrons when they fall on certain metals? |
| A. | Alpha particles |
| B. | Beta particles |
| C. | Gamma particles |
| D. | X-ray particles |
| Answer» E. | |
| 16. |
Which of the following are highly effective in producing ion pairs when they pass through the matter? |
| A. | Alpha particles |
| B. | Beta particles |
| C. | Gamma particles |
| D. | X-ray particles |
| Answer» B. Beta particles | |