Which one of the following is most penetrating?
A) He nucleus
B) beta particle
C) gamma ray
D) visible light
Correct Answer:
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Q46: The radioisotope used to detect anemia is
A)gadolinium-153.
B)iron-59.
C)plutonium-238.
D)iodine-131.
Q47: Which one of the following radioactive isotopes
Q48: In 1932,James Chadwick bombarded beryllium-9 with alpha
Q49: The use of radioisotopes as tracers in
Q50: Ernest Rutherford bombarded nitrogen-14 with alpha particles
Q52: Which of the following statements about transmutation
Q53: Radioisotopes have been used as tracers in
Q54: Positron emission tomography (PET)is a
A)therapy for cancer
Q55: The radioactive decay of ⁹⁹ᵐTc to ⁹⁹Tc
Q56: In positron emission tomography (PET),a positron collides
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