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Polydispersity index of polymers of unif...

Polydispersity index of polymers of uniform length is equal/nearly equa to……………..

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The correct Answer is:
1
PDI = 1 (one)
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Knowledge Check

  • The value of pi is nearly equal to

    A
    `(21)/7`
    B
    `7/(22)`
    C
    `(22)/7`
    D
    (42)/7

  • The mass of neutron is nearly equal to that of ……………

    A
    Proton
    B
    electron
    C
    `alpha`-particle
    D
    `beta-` particle

  • The polydispersity index of a polymer containing 10 molecules with moleculer mass 1.0xx10^(4) and 10 molecules with moleculer mass 1.0xx10^(5) is approximately .

    A
    1.67
    B
    0.59
    C
    1.55
    D
    0.83

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    The gravitational self energy U fo a uniform solid sphere is equal to the amount of work done in assembling together its infinitessimal particles initally lying infinite distance apart Taking the mass of the sun as 2 xx 10^(30) kg and radius of the sun as nearly 7 xx 10^(8) metres, the self energy of the sun is nearly equal to

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