12.6 - de BROGLIE'S EXPLANATION OF BOHR'S SECOND POSTULATE OF QUANTISATION
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Practice Questions
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What does Bohr's second postulate state about angular momentum?
💡 Hint: Think about how many specific values it can take.
Define wave-particle duality.
💡 Hint: What do we mean when we say particles can behave like waves?
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Interactive Quizzes
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What does the quantisation of angular momentum imply?
💡 Hint: Remember Bohr's formulation reveals specific allowed values.
True or False: de Broglie's hypothesis supports the idea that electrons have both wave and particle characteristics.
💡 Hint: This concept is critical in quantum physics.
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Challenge Problems
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A 1 MeV electron is moving in a circular orbit. Calculate its de Broglie wavelength and the radius of its orbit if it has an angular momentum of nh/2π with n = 1.
💡 Hint: Use kinetic energy relation KE = eV to find p, relating it to wavelength thereafter.
Explain why the concept of standing waves is crucial for understanding electron orbits in multi-electron atoms.
💡 Hint: Consider how interference might occur among multiple waves in more complex systems.
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