1
IIT-JEE 1986
MCQ (Single Correct Answer)
+1
-0.25
The ratio of the energy of a photon of 2000Å wavelength to that 4000Å radiation is
A
1/4
B
4
C
1/2
D
2
2
IIT-JEE 1986
MCQ (Single Correct Answer)
+1
-0.25
Which one of the following sets of quantum numbers represents an impossible arrangement?
A
n = 3, l = 2, ml = -2, ms = 1/2
B
n = 4, l = 0, ml = 0, ms = 1/2
C
n = 3, l = 2, ml = -3, ms = 1/2
D
n = 5, l = 3, ml = 0, ms = -1/2
3
IIT-JEE 1985
MCQ (Single Correct Answer)
+1
-0.25
The radius of an atomic nucleus is of the order of
A
10-10 cm
B
10-13 cm
C
10-15 cm
D
10-8 cm
4
IIT-JEE 1985
MCQ (Single Correct Answer)
+1
-0.25
Bohr Model can explain
A
the spectrum of hydrogen atom only
B
spectrum of an atom or ion containing one electron only
C
the spectrum of the hydrogen molecule
D
the solar spectrum
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