The de-Broglie wavelength associated with an electron and a proton were calculated by accelerating then through same potential of $100 V$ . What should nearly be the ratio of their wavelengths?
$(m_{P} = 1.00727 u, m_{e} = 0.00055 u)$

Question

The de-Broglie wavelength associated with an electron and a proton were calculated by accelerating then through same potential of

100 V

. What should nearly be the ratio of their wavelengths?

(m_{P} = 1.00727 u, m_{e} = 0.00055 u)

Accepted Answer

Correct answer: D. (d) JEE Main 2021 = h mv= h 2 mK= h 2 mqV _1 _2= m_2m_1 _e _P= m_Pm_e= 1831.4=42.79

$The de-Broglie wavelength associated with an electron and a proton were calculated by accelerating then through same potential of 100 V . What should nearly be the ratio of their wavelengths? (m_{P} = 1.00727 u, m_{e} = 0.00055 u)$