A particle of mass 9.1 × 10?³¹ kg travels in a medium with a speed of 10? m/s and a photon of a radiation of linear momentum 10?²? kg m/s travels in vacuum. The wavelength of photon is _______ times the wavelength of the particle.
A particle of mass 9.1 × 10?³¹ kg travels in a medium with a speed of 10? m/s and a photon of a radiation of linear momentum 10?²? kg m/s travels in vacuum. The wavelength of photon is _______ times the wavelength of the particle.
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1 Answer
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For photon, λ? = h/p = 6.6×10? ³? /10? ²? = 6.6×10? m
For a particle, λ? = h/mv = 6.6×10? ³? / (9.1×10? ³¹ × 10? ) ≈ 7.25×10? ¹? m
λ? /λ? = 6.6×10? / 7.25×10? ¹? ≈ 910
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