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What is the energy of a photon that has a wavelength equal to the de Broglie wavelength of a proton having a speed of 7.1 × 104 m/s? (mproton = 1.67 × 10-27 kg, c = 3.00 × 108 m/s)
Age Set
A formally established group of people born during a certain time span who move together through the series of age-grade categories.
Age Grade
An organized category of people based on age; all individuals pass through a series of such categories over their lifetime.
Castes
Social stratification systems found in some societies, where individuals are born into specific social groups with defined roles and privileges.
Digital Age
The Digital Age refers to the current era marked by the widespread use of digital technology, including computers, the internet, and other forms of digital communication.
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