Examlex
Find the energy of a photon whose frequency is 5 × 1012 Hz.
Samuel Gompers
An American labor union leader who founded the American Federation of Labor and advocated for workers' rights.
Eugene Debs
An American socialist, political activist, and trade unionist, known for his role in the founding of the Industrial Workers of the World and his five presidential runs as a socialist.
Birth Of A Nation
A controversial and highly influential 1915 film directed by D.W. Griffith that portrayed the Ku Klux Klan as heroes, widely criticized for its racist depictions of African Americans.
Knights Of Labor
A labor organization founded in 1869 that advocated for the rights of workers and sought broad social reforms.
Q2: You see colors in a rainbow because
Q21: In an energy level transition from the
Q31: What is the symbol for a photon?<br>A)n<br>B)
Q45: The probability of an outcome<br>A)is the number
Q55: At the Stock and Watson (http://www.pearsonhighered.com/stock_watson)website go
Q105: Atomic bombs and nuclear power plants both
Q108: The rest energy of an electron and
Q130: A quantum number for a quark is<br>A)strangeness.<br>B)beauty.<br>C)charm.<br>D)truth.<br>E)all
Q139: The type of EM radiation emitted when
Q148: The expression(s)indicating the number of nucleons in