A Young's Double-Slit Apparatus Is Set Up Where a Screen

question 14

Multiple Choice

A Young's double-slit apparatus is set up where a screen is positioned 1.2 m from the double slits.If the distance between alternating bright fringes is 0.83 cm,and the light source has a wavelength of 579 nm,what is the separation of the double slits? (1 nm = 10−⁹ m)

• A)1.2E-2 m
• B)8.4E-5 m
• C)7.0E-6 m
• D)9.0E-5 m
• E)4.0E-9 m

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Definitions:

Veil of Ignorance

A concept in political philosophy that suggests designing society's rules without knowing one's own status or position, to ensure fairness.

Original Position

A theoretical situation in political philosophy proposed by John Rawls, where individuals choose principles of justice without knowledge of their personal positions.

Rawls

American political philosopher John Rawls, known for his contributions to political and moral philosophy, especially in the theory of justice as fairness.

Institutions

Organized and established structures or mechanisms of social order governing the behavior of members of a community or society.