Ch 12. Atoms Flashcards
1
Q
Bohr’s frequency condition is
A
E₁ - E₂ = hv
2
Q
The energy of an electromagnetic radiation is 13.2 keV. This radiation is related to which region of spectrum?
A
X-rays
3
Q
The minimum orbital angular momentum of an electron in a hydrogen atom is
A
h/2π
4
Q
Which series of hydrogen spectrum does not lie in infrared region?
A
Lyman series
5
Q
The energy of electron in first Bohr orbit of hydrogen atom is -13.6 eV. What is the energy of electron in its 2nd Bohr orbit?
A
+3.4 eV
6
Q
Which series comes in visible region of hydrogen spectrum?
A
Balmer series
7
Q
Statement 1 : Balmer series lies in infrared region.
Statement 2 : Lyman series lies in ultraviolet region.
A
Both the statements are true and Statement 2nd is the correct explanation of Statement 1st
