Examlex
A source of frequency f sends waves of wavelength traveling with speed v in some medium.If the frequency is changed from f to 2f, then the new wavelength and new speed are (respectively) :
Cognitive Dissonance
is the mental discomfort (psychological stress) experienced by a person who simultaneously holds two or more contradictory beliefs, ideas, or values.
Opinion Leader
An individual whose beliefs or attitudes are respected and can influence the opinions and behaviors of a wider audience.
Dissociative Reference Group
A group to which an individual does not want to belong or be associated with, often influencing consumer behavior by avoiding products or brands favored by the group.
Aspirational
Refers to brands, products, or lifestyles that a consumer desires to have in the future, driven by the perception of a better social status or quality of life.
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