Atomic Structure and Periodicity Comprehensive Actual Exam And Complete Answers.
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Course
AUTOMIC
Institution
AUTOMIC
speed
Wavelength - correct answer the distance between two consecutive peaks or troughs in a wave.
Frequency - correct answer number of waves per second that pass a point in space
Equation that uses speed, wavelength, and frequency - correct answer c = (lambda)(V)
Equatio...
What are the three primary characteristics of waves? - correct answer wavelength, frequency, and
speed
Wavelength - correct answer the distance between two consecutive peaks or troughs in a wave.
Frequency - correct answer number of waves per second that pass a point in space
Equation that uses speed, wavelength, and frequency - correct answer c = (lambda)(V)
Equation for the change in Energy - correct answer (delta)E = nhV
Quantized - correct answer the discrete untis of size hV. The small packes of energy is called a
quantum.
Photoelectric Effect - correct answer The phenomenon in which electrons are mitted from the surface
of a metal when light strikes it.
What are the four observations characterize by the photoelectric effect? - correct answer 1.there are
no electrons emitted by a given metal below the specific threshold frequency,
2. No electrons are emitted when the frequency is below the threshold regardless of intensity.
3. When the frequency is met the intensity of light causes more electrons to be emitted
4. The kinetic energy of the electrons is proportional to the frequency of light
Arthur Compton - correct answer performed experiments involving collisions of Xrays and electrons
that showed that photons do exhibit an apparent mass
de Broglie equation - correct answer (lambda) = h / mv
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