Examlex
What is the approximate range of frequencies (h)in human speech and their corresponding wavelengths? For all practical purposes, the speed of sound in air may be assumed = 1,000 ft/s in place of its exact value of 1130 ft/s.
Suburbs
Residential areas situated on the outskirts of a city or large town, typically characterized by lower population density than urban centers.
Leisure Time
Free time that an individual can use for relaxation, recreation, or personal interests, distinct from time spent on obligatory activities such as work or household chores.
Recreation
Activities undertaken for enjoyment, leisure, and relaxation, typically during one's free time.
Student
A student is an individual who is engaged in learning, especially one who is enrolled in a school or educational institution.
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