When Light Scatters from a Rough Surface,the Law $\theta _ { 1 } ^ { \prime } = \theta _ { 1 }$

question 19

Multiple Choice

When light scatters from a rough surface,the law $\theta _ { 1 } ^ { \prime } = \theta _ { 1 }$

• A)does not hold.
• B)holds on average,with reflected light from the surface leaving in the average direction of reflection.
• C)applies to each small relatively flat area of surface individually.
• D)applies only when the particle aspect of light predominates.
• E)applies only when the wavelength of light is greater than 800 nm but less than 2000 nm.

Calculate the apparent power in parallel AC circuits and differentiate it from real and reactive power.

Determine the value of inductance in a circuit based on voltage, resistive, and reactive components.

Understand and calculate the active power (P) in parallel circuits.

Understand the historical development and discovery timeline of electricity.

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