Find the ratio of de Broglie wavelength associated with a proton and an alpha particle when both are (i) accelerated from rest through the same potential difference, and (ii) moving with the same kinetic energy.

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Textde Broglie Hypothesis of Matter WavesCBSE PYQ

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de Broglie wavelength λ as a function of 1/√K, for two particles of masses m₁ and m₂ are shown in the figure. Here, K is the energy of the moving particles. (a) What does the slope of a line represent ? (b) Which of the two particles is heavier ? (c) Is this graph also valid for a photon ? Justify your answer in each case.

CASE_STUDIESde Broglie Hypothesis of Matter Wavesde Broglie Wavelength of Matter Waves

What are matter waves ? A particle of mass m and charge q is accelerated from rest through a potential difference V. Obtain an expression for de Broglie wavelength associated with the particle.

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