The ionization energy of hydrogen atom is 13.6 eV. Following Bohr's theory, the energy co
to a transition between the 3rd and the 4th orbit is
a) 3.40 eV
b) 1.51 eV
c) 0.85 eV
d) 0.66 eV
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Chemistry
Structure of Atom
Development Leading to Bohr's Model of Atom
The work function for a met...
CHEMISTRY
The work function for a metal is 4 eV . To emit a photo electron of zero velocity from the surface of the metal, the wavelength of incident light should be:
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ANSWER
hv=hv
0
+KE for zero velocity KE=0
hv=hv
0
hv=4eV
λ
hc
=4eV
λ=
4eV
h×c
=
4×1.6×10
−19
6.626×10
−34
×3×10
8
=3100A
o
Hence, the correct option is D
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