Atoms And Nuclei Question 241
Question: In a material medium, when a positron meets an electron both the particles annihilate leading to the emission of two gamma ray photons. This process forms the basis of an important diagnostic procedure called [AIIMS 2003]
Options:
A) MRI
B) PET
C) CAT
D) SPECT
Show Answer
Answer:
Correct Answer: B
Solution:
In a material medium, when a positron meets an electron both the particles annihilate leading to the emission of two g ray photons. This process forms the basis of an important diagnestic procedure called PET.
