10 Questions
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
The de Broglie wavelength of an object is inversely proportional to its velocity.
True
Clinton Davisson and Lester Germer conducted an experiment with electrons passing through a thick piece of gold foil.
False
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.
False
The wave properties of a tennis ball can be easily detected by existing measuring devices.
False
Laser light is described as intense, monoenergetic, and incoherent.
False
Bohr's theory successfully accounted for the emission spectra of atoms containing more than one electron.
False
The discovery that electrons are wavelike raised no questions or challenges in the field of Quantum Mechanics.
False
Plank's quantum theory explains why extra lines appear in the hydrogen emission spectrum under a magnetic field.
False
The size of an atom is smaller than the de Broglie wavelength of a Ping-Pong ball.
True
Test your knowledge on the photoelectric effect and quantum theory with this quiz. Explore how Einstein solved the mystery of the photoelectric effect in 1905 and understand the concept of photons and their behavior as particles of light. Dive into concepts such as threshold frequency and the dual nature of light.
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