Atomic Structure Question 195

Question: The MRI (magnetic resonance imaging) body scanners used in hospitals operate with 400 MHz radio frequency The wavelength corresponding to this radio frequency is

Options:

A) 0.75 m

B) 0.75 cm

C) 1.5m

D) 2cm

Show Answer

Answer:

Correct Answer: A

Solution:

  • $ \lambda =\frac{c}{v}=\frac{3\times 10^{8}}{400\times 10^{6}}=0.75m $


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