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Radius (r(n)) of electron in nth orbit v...

Radius `(r_(n))` of electron in nth orbit versus atomic number (Z) graph is

A

B

C

D

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The correct Answer is:
B
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Speed (V_(n)) of electron in nth orbit versus principal quantum number (n) graphs is

In the Bohr's model , for unielectronic species following symbols are used r_(n,z)to Radius of n^"th" orbit with atomic number "z" U_(n,z)to Potential energy of electron in n^"th" orbit with atomic number "z" K_(n,z)to Kinetic energy of electron in n^"th" orbit with atomic number "z" V_(n,z)to Velocity of electon in n^"th" orbit with atomic number "z" T_(n,z)to Time period of revolution of electon in n^"th" orbit with atomic number "z" Calculate z in all in cases. (i) U_(1,2):K_(1,z)=-8:9 (ii) r_(1,z):r_(2,1) =1:12 (iii) v_(1,z):v_(3,1)=15:1 (iv) T_(1,2):T_(2,z)=9:32 Report your answer as (2r-p-q-s) where p,q,r and s represents the value of "z" in parts (i),(ii),(iii),(iv).

Kinetic energy of electron in nth orbit is given by

The angular momentum of electron in nth orbit is given by

Magnetic moment of an electron in nth orbit of hydrogen atom is

Magnetic moment of an electron in nth orbit of hydrogen atom is

Potential energy (PE_(n)) and kinetic energy (KE_(n)) of electron in nth orbit are related as

The angular speed of electron in the nth orbit of hydrogen atom is

The de Broglie wavelength of an electron in the nth Bohr orbit is related to the radius R of the orbit as:

If, in a hydrogen atom, radius of nth Bohr orbit is r_(n) frequency of revolution of electron in nth orbit is f_(n) and area enclosed by the nth orbit is A_(n) , then which of the pollowing graphs are correct?