Matter Waves — Formula Sheet
ICSE · Class 12 · Physics
7 formulas from Matter Waves (ICSE Class 12 Physics) on one page, grouped by topic. Covers Differences, Applications, and Exam.
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Formulas and Key Relations
de-Broglie Hypothesis and Matter Waves
λ = h / p
Important Derived Relations and Special Cases
λ = h / sqrt(2 m K), where K = 13.6 / n^2 eV
Davisson-Germer Experiment
λ = 12.27 / sqrt(V) Å
λ = 2 d sin θ
Key relations
Each photon has energy E = h v, momentum p = h v / c, kinetic mass h v / c^2, speed c and zero rest mass.
The wavelength associated with a moving particle is λ = h/p.
For non-relativistic motion, p = m v, so λ = h/(m v).
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