Answer:
1.92 × 10¹²
Step-by-step explanation:
Given:
Frequency of the MRI, f₁ = 6.38 × 10⁷ Hz
thus,
the wavelength = C / f
where,
C is the speed of the light
therefore,
wavelength of the electromagnetic wave by MRI, λ₁ = C / f₁
or
λ₁ = C / 6.38 × 10⁷ Hz
now,
Frequency of the PET, f₂ = 1.23 × 10²⁰ Hz
Thus,
wavelength of the electromagnetic wave by PET, λ₂ = C / f₂
or
λ₂ = C / 1.23 × 10²⁰ Hz
therefore,
the ratio of the MRI wavelength to the PET scanning wavelength
= λ₁ / λ₂
or
=
or
=
or
Ratio of the MRI wavelength to the PET scanning wavelength = 1.92 × 10¹²
Answer:
I think D sorry If I am wrong
Step-by-step explanation:
The answer is d) that is the answer .
<span>8÷0+38= 38
</span><span>8÷6+(3+5)•2= 17.3
</span><span>2y+21=3y+1
y=20
2(20)+21=3(20)+1
61=61</span>