A Diffraction Pattern Is Produced on a Viewing Screen by Illuminating

question 68

Multiple Choice

A diffraction pattern is produced on a viewing screen by illuminating a long narrow slit with light of wavelength $\lambda$ .If $\lambda$ is increased and no other changes are made:

• A)the intensity at the center of the pattern decreases and the pattern expands away from the bright center
• B)the intensity at the center of the pattern increases and the pattern contracts toward the bright center
• C)the intensity at the center of the pattern does not change and the pattern expands away from the bright center
• D)the intensity at the center of the pattern does not change and the pattern contracts toward the bright center
• E)neither the intensity at the center of the pattern nor the pattern itself change

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Definitions:

Shutdown Point

The shutdown point is the level of production and price at which a company's revenue only covers its variable costs, and operating at any capacity below this point would cause the firm to incur losses.

Hourly Wages

The sum of money an employee receives for working one hour.

Fixed Cost

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance.

Hourly Wages

The rate an employee is paid for each hour worked, often regulated by labor laws.