You Illuminate a Slit 0

question 63

Multiple Choice

You illuminate a slit 0.20 mm wide with monochromatic light of wavelength 600 nm,and focus the Fraunhofer diffraction pattern on a screen with a lens of focal length 1.50 m.The distance on the screen from the center of the central maximum to the first minimum is

• A)0.675 cm
• B)0.600 cm
• C)0.300 cm
• D)0.450 cm
• E)0.225 cm

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Definitions:

Sales Required

The minimum sales needed to achieve a specific financial goal or to cover costs.

Variable Cost

Costs that vary directly with the level of production or output.

Break-even Point

The level of production or sales at which total revenues equals total expenses, with no net loss or gain.

Contribution Margins

The amount remaining from sales revenue after all variable expenses have been deducted, indicating how much contributes to covering fixed costs and generating profit.