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.



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