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Rutherford proposed the atomic meodel af...

Rutherford proposed the atomic meodel after his most stiking experiment an apha-scattering leading to discoveluy of nucleus . Bohr later on modified the atomci model on the balis of Planck's quantum theory of light and prosed the concept of stateonry cireclar orbits of quanise enrgy ` (nh) /( 2pi)` The colloection of fine lines in line spectrum led Sommerfeld to gae the idea fo elliptical orbits .He successfully explained the existence fo subshells and their number in a shell . The angular momentum of subshells was proposed as ` sqrt ( l(l +120)) . h/( 2 pi)` . The emission of a spectral line in atomic spectra was supposed to be due to the jump of elecrtron from one enrgy level to other .
The angular momentum fo elecron i ` 2p` orbital is :

A

` h/( 2 pi)`

B

` h/(sqrt 2 pi)`

C

` h/(sqrt 2 pi)`

D

` h/( 2 pi)`

Text Solution

Verified by Experts

The correct Answer is:
B
Angurlar momentum ` = sqrt(l(l+ 1)) . h/( 2pi)`
` = sqrt(l(l+1)) . h/2pi 0 = h/( sqrt 2pi)`.
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Rutherford proposed the atomic meodel after his most stiking experiment an apha-scattering leading to discoveluy of nucleus . Bohr later on modified the atomci model on the balis of Planck's quantum theory of light and prosed the concept of stateonry cireclar orbits of quanise enrgy (nh) /( 2pi) The colloection of fine lines in line spectrum led Sommerfeld to gae the idea fo elliptical orbits .He successfully explained the existence fo subshells and their number in a shell . The angular momentum of subshells was proposed as sqrt ( l(l +120)) . h/( 2 pi) . The emission of a spectral line in atomic spectra was supposed to be due to the jump of elecrtron from one enrgy level to other . An oxide on (N) has vapount density 46 . The total number fo elcrrons in 92 g of it are :

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  • Rutherford proposed the atomic meodel after his most stiking experiment an apha-scattering leading to discoveluy of nucleus . Bohr later on modified the atomci model on the balis of Planck's quantum theory of light and prosed the concept of stateonry cireclar orbits of quanise enrgy (nh) /( 2pi) The colloection of fine lines in line spectrum led Sommerfeld to gae the idea fo elliptical orbits .He successfully explained the existence fo subshells and their number in a shell . The angular momentum of subshells was proposed as sqrt ( l(l +120)) . h/( 2 pi) . The emission of a spectral line in atomic spectra was supposed to be due to the jump of elecrtron from one enrgy level to other . No-directional orbitals is :

    A
    ` 3s`
    B
    ` 4f`
    C
    ` 4d`
    D
    ` 4p`

  • Rutherford proposed the atomic meodel after his most stiking experiment an apha-scattering leading to discoveluy of nucleus . Bohr later on modified the atomci model on the balis of Planck's quantum theory of light and prosed the concept of stateonry cireclar orbits of quanise enrgy (nh) /( 2pi) The colloection of fine lines in line spectrum led Sommerfeld to gae the idea fo elliptical orbits .He successfully explained the existence fo subshells and their number in a shell . The angular momentum of subshells was proposed as sqrt ( l(l +120)) . h/( 2 pi) . The emission of a spectral line in atomic spectra was supposed to be due to the jump of elecrtron from one enrgy level to other . The volume occupied by the nucleus is about ........ times fo volume fo atom :

    A
    ` 10^(-15)`
    B
    ` 10^(-15)`
    C
    ` 10^(-12)`
    D
    ` 10^(-10)`

  • Rutherford proposed the atomic meodel after his most stiking experiment an apha-scattering leading to discoveluy of nucleus . Bohr later on modified the atomci model on the balis of Planck's quantum theory of light and prosed the concept of stateonry cireclar orbits of quanise enrgy (nh) /( 2pi) The colloection of fine lines in line spectrum led Sommerfeld to gae the idea fo elliptical orbits .He successfully explained the existence fo subshells and their number in a shell . The angular momentum of subshells was proposed as sqrt ( l(l +120)) . h/( 2 pi) . The emission of a spectral line in atomic spectra was supposed to be due to the jump of elecrtron from one enrgy level to other . The ninumum enrgy is given out when an elecrton jumps form one obit to oter form :

    A
    2 to 1
    B
    3 to 2
    C
    4 to 3
    D
    5 to 4

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