de Broglie’s Matter Waves (HSC SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the relationship between wave and particle models in wave-particle duality?
What is the relationship between wave and particle models in wave-particle duality?
They are complementary models
What is de Broglie's equation for matter waves?
What is de Broglie's equation for matter waves?
What is the value of Planck's constant?
What is the value of Planck's constant?
J·s
How does de Broglie wavelength change as particle mass increases?
How does de Broglie wavelength change as particle mass increases?
Wavelength decreases
What potential difference was used in the Davisson-Germer experiment?
What potential difference was used in the Davisson-Germer experiment?
54 V
What does constructive interference occur when?
What does constructive interference occur when?
Wave crests align with crests
How many wavelengths do electrons in the second energy shell () complete?
How many wavelengths do electrons in the second energy shell () complete?
Two full wavelengths
What did Tonomura's 1989 experiment demonstrate about single electrons?
What did Tonomura's 1989 experiment demonstrate about single electrons?
Each electron interferes with itself
Why can electron microscopes image smaller objects than optical microscopes?
Why can electron microscopes image smaller objects than optical microscopes?
Electron wavelengths are shorter
What happens to the interference pattern when measuring which slit a particle passes through?
What happens to the interference pattern when measuring which slit a particle passes through?
The pattern disappears