In an Electron Microscope, Electrons Are Accelerated to Great Velocities

question 66

Multiple Choice

In an electron microscope, electrons are accelerated to great velocities.Calculate the wavelength of an electron traveling with a velocity of 7.0 × 10³ kilometers per second.The mass of an electron is 9.1 × 10^-28 g.

• A)1.0 × 10^-13 m
• B)1.0 × 10^-10 m
• C)1.0 × 10^-7 m
• D)1.0 m

Differentiate between passive and active approaches to economic policy.

Identify the effects of policy stances (active and passive) on real GDP and price levels in the short and long run.

Recognize the role of wages (money and real) in the self-correction process.

Understand how aggregate demand and supply adjustments impact economic equilibrium.

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