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Which of the following has the same mass as that of an electron:
(1) Photon
(2) Neutron
(3) Positron
(4) Proton
Ans: Positron
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An electron, an alpha-particle and a proton have the similar kinetic energy. Which one of these particles has the main de-Broglie wavelength?
limitations
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explain the refractive index of the transparent liquid using prism spectrometer?
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