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If the wavelength of electromagnetic (em) radiation is equal to the de Broglie wavelength ( ) of an…
If the wavelength of electromagnetic (em) radiation is equal to the de Broglie wavelength ($\lambda$) of an electron moving with a velocity of $2 \times 10^{6}\text{ m s}^{-1}$, then what is true about their momenta?
- (a)Their momenta are equal.
- (b)Photon of electromagnetic radiation has greater momentum than the electron.
- (c)Their momenta cannot be compared, as one is a photon and the other is a particle.
- (d)Electron has greater momentum than the photon of electromagnetic radiation.
Answer
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From ISC 2026 Improvement Physics Paper 1, question 1(A)(iii).