Magnetic Resonance Imaging (MRI)is a Much Used Noninvasive Diagnostic Technique

question 126

Multiple Choice

Magnetic Resonance Imaging (MRI) is a much used noninvasive diagnostic technique in medicine.The radio frequency photons used have energies of about 10^-7 eV.What wavelength does this correspond to?

• A)12 nm
• B)1.2 m
• C)12 m
• D)1.2 nm
• E)120 m

---

Definitions:

Effectiveness Lag

The time it takes for a policy action, particularly in monetary or fiscal policy, to produce its intended effects on the economy.

Recognition Lag

The time it takes for policymakers to identify and acknowledge an economic problem or trend.

Economic Policy

A set of strategies chosen by a government to influence its economy, including fiscal policy (use of government spending and taxation) and monetary policy (controlling the nation's money supply and interest rates).

Time Lags

The delays between the initiation and the effect of an economic policy or other financial actions, impacting their effectiveness.