Matter as Particles or Waves (VCE SSCE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
In which year did Louis de Broglie propose that matter particles have wave-like properties?
In which year did Louis de Broglie propose that matter particles have wave-like properties?
1924
What is the formula for de Broglie wavelength of a matter particle?
What is the formula for de Broglie wavelength of a matter particle?
What is wave-particle duality?
What is wave-particle duality?
Both wave & particle properties exist
Who experimentally confirmed de Broglie's prediction in 1927?
Who experimentally confirmed de Broglie's prediction in 1927?
Davisson & Germer, and Thomson
What is the formula for photon momentum?
What is the formula for photon momentum?
What type of interference occurs in dark regions of a diffraction pattern?
What type of interference occurs in dark regions of a diffraction pattern?
Destructive (out of phase)
For diffraction to be measurable, what must the ratio typically be?
For diffraction to be measurable, what must the ratio typically be?
0.01 or greater
Why don't everyday objects like cricket balls show wave behavior?
Why don't everyday objects like cricket balls show wave behavior?
Wavelength too small to observe
What is the relationship between wavelength and momentum in de Broglie's equation?
What is the relationship between wavelength and momentum in de Broglie's equation?
Inverse: higher → shorter
Which value of Planck's constant should be used for de Broglie wavelength calculations?
Which value of Planck's constant should be used for de Broglie wavelength calculations?
Js
