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Questions and Answers
The de Broglie wavelength of a 2.5 g Ping-Pong ball traveling at 15.6 m/s is 1.7 x 10^-32 m.
The de Broglie wavelength of a 2.5 g Ping-Pong ball traveling at 15.6 m/s is 1.7 x 10^-32 m.
False (B)
The de Broglie wavelength of an object is inversely proportional to its velocity.
The de Broglie wavelength of an object is inversely proportional to its velocity.
True (A)
Clinton Davisson and Lester Germer conducted an experiment with electrons passing through a thick piece of gold foil.
Clinton Davisson and Lester Germer conducted an experiment with electrons passing through a thick piece of gold foil.
False (B)
G.P. Thomson from England obtained a set of concentric rings on a screen by passing a beam of electrons through a thin piece of gold foil.
G.P. Thomson from England obtained a set of concentric rings on a screen by passing a beam of electrons through a thin piece of gold foil.
The wave properties of a tennis ball can be easily detected by existing measuring devices.
The wave properties of a tennis ball can be easily detected by existing measuring devices.
Laser light is described as intense, monoenergetic, and incoherent.
Laser light is described as intense, monoenergetic, and incoherent.
Bohr's theory successfully accounted for the emission spectra of atoms containing more than one electron.
Bohr's theory successfully accounted for the emission spectra of atoms containing more than one electron.
The discovery that electrons are wavelike raised no questions or challenges in the field of Quantum Mechanics.
The discovery that electrons are wavelike raised no questions or challenges in the field of Quantum Mechanics.
Plank's quantum theory explains why extra lines appear in the hydrogen emission spectrum under a magnetic field.
Plank's quantum theory explains why extra lines appear in the hydrogen emission spectrum under a magnetic field.
The size of an atom is smaller than the de Broglie wavelength of a Ping-Pong ball.
The size of an atom is smaller than the de Broglie wavelength of a Ping-Pong ball.
