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Proton

How mass of p...

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How mass of proton is 9 times the mass of Be+3

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Mass of an electron is approximately 1/1837 times that of mass of proton.

Q. A neutron breaks into a proton and an electron. Calculate the energy produced in this reaction is MeV. Mass of an electron

= 9 \times 10^{- 31} k g

, mass of proton

= 1.6725 \times 10^{- 27} k g

, mass of neutron

= 1.6747 \times 10^{- 27} k g

, and speed of light

= 3 \times 10^{8} m s^{- 1}

Q. Assume that a neutron breaks into a proton and an electron. The energy released during this process is : (mass of neutron

= 1.6725 \times 10^{- 27} k g

, mass of proton

= 1.6725 \times 10^{- 27} k g

, mass of electron

= 9 \times 10^{- 31} k g

L i^{3 +}

is 8.33 times the mass of a proton. If

L i^{3 +}

and proton are accelerated through the same potential difference, then the ratio of de Broglie's wavelength of

L i^{3 +}

x \times 10^{- 1} .

Q. The mass of an electron is

9.1 \times 10^{- 31}

kg while the mass of a proton is

1.67 \times 10^{- 27}

kg. Which among the proton and electron has the larger mass?

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