Momentum-wavelength Relation
Easyphysics
Particle momentum in terms of de Broglie wavelength λ?
Select the correct option:
Solution
Incorrect! Answer:
p = h/λ
- Fundamental Equation: The de Broglie relation is λ=ph.
- Rearrange for Momentum: Cross-multiplying gives p=λh.
- Context: This relation links a 'particle' property (linear momentum p) to a 'wave' property (wavelength λ) via Planck's constant h.
- Conclusion: The momentum is inversely proportional to the associated wavelength.
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About This Question
- Subject
- physics
- Chapter
- dual nature
- Topic
- momentum-wavelength relation
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
p = h/λ
- Fundamental Equation: The de Broglie relation is λ=ph.
- Rearrange for Momentum: Cross-multiplying gives p=λh.
- Context: This relation links a 'particle' property (linear momentum p) to a 'wave' property (wavelength λ) via Planck's constant h.
- Conclusion: The momentum is inversely proportional to the associated wavelength.
This easy difficulty physics question is from the chapter dual nature, covering the topic of momentum-wavelength relation. It appeared in the 2025 exam.
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