Two Slits of Width a = 0 $\lambda$ = 450 NmThe Number of Bright Fringes Seen in the Central Maximum

question 18

Multiple Choice

Two slits of width a = 0.0016 mm are separated by a distance d = 0.04 mm and illuminated by light of wavelength $\lambda$ = 450 nm.The number of bright fringes seen in the central maximum is

• A)8
• B)16
• C)25
• D)37
• E)49

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Definitions:

Variable Overhead

Costs of production that fluctuate with the level of output, including items such as utilities and materials that are not directly linked to a single product.

Efficiency Variance

The difference between the actual amount of an input used and the amount that was expected to be used, measured in financial terms.

Variable Overhead

Costs that fluctuate with the level of production or business activity, such as utilities or raw materials.

Rate Variance

The difference between the expected standard cost and the actual cost incurred, calculated for direct labor rate, overhead rate, or material price.