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1
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
2
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
3
IIT-JEE 1985
MCQ (Single Correct Answer)
+1
-0.25
Electromangnetic radiation with maximum wavelength is:
A
ultraviolet
B
radiowave
C
X-ray
D
infrared
4
IIT-JEE 1985
Numerical
+2
-0
What is the maximum number of electrons that may be present in all atomic orbitals with principal quantum number 3 and azimuthal quantum number 2?
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