An electron and a proton have equal kinetic energies. Taking $m_p=1836m_e$, the ratio ${\lambda }_e/{\lambda }_p$ is closest to

More questions on de Broglie wavelength and uncertainty principle

• An electron is accelerated from rest through a potential difference of 150 V. Using h = 6.626x10^-34 J s, m_e = 9.1x10^-31 kg and e = 1.6x10... NEET level
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