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The atomic masses of the hydrogen isotop...

The atomic masses of the hydrogen isotopes are
Hydrogen `m_1H^1=1.007825` amu
Deuterium `m_1H^2=2.014102` amu
Tritium `m_1H^3=3.016049` amu
The energy released in the reaction,
`_1H^2+_1H^2rarr_1H^3+_1H^1` is nearly

A

(a) 1MeV

B

(b) 2MeV

C

(c) 4MeV

D

(d) 8 MeV

Text Solution

Verified by Experts

The correct Answer is:
C
Energy released `=(Deltam)(931.48)MeV`
`=[2xx2.01102-3.0160-1.007825]xx931.5`
`=4.03MeV=4MeV`
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Knowledge Check

  • The atomic masses of the hydrogen isotopes are Hydrogen m_1H^1=1.007825 amu Deuterium m_1H^2=2.014102 amu Tritium m_1H^3=3.016049 amu The number of fusion reactions required to generate 1kWh is nearly

    A
    (a) `10^8`
    B
    (b) `10^18`
    C
    (c) `10^28`
    D
    (d) `10^38`

  • The atomic masses of the hydrogen isotopes are Hydrogen m_1H^1=1.007825 amu Deuterium m_1H^2=2.014102 amu Tritium m_1H^3=3.016049 amu The mass of deuterium, _1H^2 that would be needed to generate 1 kWh

    A
    (a) `3.7kg`
    B
    (b) `3.7g`
    C
    (c) `3.7xx10^-5kg`
    D
    (d) `3.7xx10^-8kg`

  • The correct order of wavelength of Hydrogen (._(1)H^(1)) , Deuterium (._(1)H^(2)) and Tritium (._(1)H^(3)) moving with same kinetic energy is

    A
    `lambda_(H) gt lambda_(D) gt lambda_(r)`
    B
    `lambda_(H)=lambda_(D)=lambda_(r)`
    C
    `lambda_(H) lt lambda_(D) lt lambda_(r)`
    D
    `lambda_(H) lt lambda_(D) gt lambda_(r)`

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