De Broglie Wavelength
de Broglie wavelength λ of particle momentum p is?
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de Broglie wavelength of particle momentum p is:
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At same kinetic energy, which has longer de Broglie wavelength?
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About This Question
- Subject
- physics
- Chapter
- dual nature
- Topic
- de broglie wavelength
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
h/p
- De Broglie Hypothesis: Louis de Broglie proposed that matter, like light, exhibits wave-particle duality. For every moving particle, there is an associated wave (matter wave).
- Wavelength Formula: The wavelength (λ) associated with a particle of mass m and velocity v is: λ=ph=mvh
- Momentum (p): Here p=mv is the linear momentum of the particle.
- Scale: For macroscopic objects, h is so small that the wavelength is undetectable. For subatomic particles, it becomes significant.
This easy difficulty physics question is from the chapter dual nature, covering the topic of de broglie wavelength. It appeared in the 2025 exam.
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