Examlex
A beam of monochromatic light passes through a slit that is 11.0 μm wide.If the first order dark fringe of the resulting diffraction pattern is at an angle of 4.31° away from the centerline,what is the wavelength of light?
Silent Spring
A 1962 book by biologist Rachel Carson about the destructive impact of the widely used insecticide DDT that launched the modern environmentalist movement.
Environmental Movement
A diverse scientific, social, and political movement for addressing environmental issues and advocating for the conservation of the natural environment and the sustainable management of natural resources.
Warren Court
The U.S. Supreme Court under Chief Justice Earl Warren from 1953 to 1969, noted for landmark cases that expanded civil rights, civil liberties, judicial power, and the federal government's power in states.
Brown V. Board Of Education
1954 U.S. Supreme Court decision that struck down racial segregation in public education and declared “separate but equal” unconstitutional.
Q3: A beam of light in air enters
Q11: A beam of monochromatic light passes through
Q46: What is the momentum of a proton
Q50: A 2.0-g string that is 0.67 m
Q87: How many unique quantum states correspond to
Q89: The only invalid electron state and shell
Q146: A lighted candle is placed a short
Q174: The focal length of a convex mirror
Q175: Olga is nearsighted and cannot see things
Q215: An object that is 4.00 cm tall