MDCAT Physics Nuclear Physics Test Online

Photo of Mustansar Khan Mustansar KhanLast Updated: May 26, 2025

Physics Atomic spectra MCQS Online Test

MDCAT Physics Atomic spectra Chapter Online Test

Total Questions: 49
Time Allowed: 25 Minutes
Total Marks: 49
How to Attempt Test: Please choose the right Option in MCQ-type question.
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1. How are radioactive isotopes administered in medical diagnostics?

2. What is the role of radioactive isotopes in cancer treatment?

3. The law of radioactive decay is:

4. Which isotope is used in the treatment of thyroid disorders?

5. The decay of radioactive nuclei is:

6. Which of the following is a characteristic of radioactive decay?

7. Sievert is the unit of:

8. Radiation dose depends on:

9. What is meant by radioactive decay?

10. How many half-lives are needed for a radioactive material to decay to less than 1%?

11. What type of radiation is used in PET scans?

12. In medical imaging, radioactive isotopes are used because they:

13. The relationship between half-life (T½) and decay constant (λ) is:

14. During radioactive decay, which law is obeyed?

15. A material has a half-life of 10 years. How much will remain after 30 years?

16. Which unit is commonly used to measure radioactive decay?

17. Which radioactive substance is used to detect tumors?

18. What type of decay decreases atomic number by 2?

19. Radiation therapy is mainly used for treating:

20. What is the biological risk of prolonged exposure to radiation?

21. Which radiation is a helium nucleus?

22. Which radiation is most penetrating?

23. Which radiation has the highest ionizing power?

24. What kind of isotope is used in carbon dating?

25. The SI unit of absorbed radiation dose is:


 

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Photo of Mustansar Khan Mustansar KhanLast Updated: May 26, 2025
Photo of Mustansar Khan

Mustansar Khan

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