Test Preparation on Physics - Atomic Structure
1.
The mass of an electron in motion depends upon:
2.
The mass and energy are equivalent to 1 a.m.u. respectively are :
3.
It is given for the azimuthal quantum number 1 = 3, the total number of different possible values of the magneticazimuthal quantum number, m1 is :
4.
The acceleration of electron in the first orbit of hydrogen atom is:6
5.
If the electron in a hydrogen atom jumps from an orbit level n1 = 3 to an orbit level n2 = 2, the emitted radiationhas a wavelength given by :
6.
Number of electrons that constitute one ampere ofcurrent is :
I = ne = 1
m=1/1.6
7.
The angular momentum of electron in hydrogen atom isproportional to :
8.
The radius of hydrogen atom, when it is in its secondexcited state, becomes :
r
9.
If Bohr's radius is R0, then radius of 3rd orbit of hydrogen atom will be :
10.
In terms of Rydberg Constant R, the wave number of thefirst Balmer line is :
Wave number, v=1/l=R(1/n12=n22)
Here n1=2, n2=3
\ v= 5R/36
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