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The two lines A and B in fig. show the photo electron of de Broglie wavelength `(lamda)` as a function of `(1)/(sqrtV) `(V is the accelerating potential) for two particles having the same charge. Which of the two represents the particle of heavier mass?

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`lamda=h//sqrt(2mqV)` . As particle A has less slope in its graph, particle A is of heavirer mass.
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MODERN PUBLICATION-DUAL NATURE OF RADIATION AND MATTER -Revision Exercises (Very Short Answer Questions)
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