Shweta Thakur posted an Question
August 31, 2020 • 05:24 am 30 points
  • IIT JAM
  • Chemistry (CY)

Plz check this question again ...i have used firstly this formulae..... (v ^1/2= 1.227/ lambda) nm then put it in kinetir v energy ...but i didn't got answe.

Ex 28. Calculate the accelerating potential that must be imparted to a proton beam ove it an effective wavelength of O-005 nm. . Atomic weight of hvdrogen is 1:008 am11.

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  • Rahul

    Shweta, formula you used is generally applicable in case of an electron. But, it is clearly mentioned in the question that it has been asked for an proton!! so, use this formula to solve the question...

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    Dinesh khalmaniya 1 best-answer

    solution

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    sir i am using this formula

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    ye formula electron k liye use hoga, yha proton diya he to mass bhi different hoga

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