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

question 80

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 0.89 cm,and the light source has a wavelength of 576 nm,what is the separation of the double slits? (1 nm = 10−⁹ m)

• A) 1.0E-2 m
• B) 7.8E-5 m
• C) 6.7E-6 m
• D) 8.3E-5 m
• E) ​4.3E-9 m

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Definitions:

Trait Self-Esteem

The enduring sense of worth or value that one attributes to oneself as a consistent aspect of their personality.

Self-Verification

The desire to be understood and recognized by others according to one's firmly held beliefs and feelings about oneself.

Self-Handicapping

A cognitive strategy by which people avoid effort in the hopes of keeping potential failure from hurting self-esteem.

Self-Complexity

A concept in psychology that describes the extent to which an individual’s self-concept is comprised of multiple and distinct aspects.