1
IIT-JEE 1986
MCQ (Single Correct Answer)
+1
-0.25
The sum of the number of neutrons and proton in the isotope of hydrogen is
A
6
B
2
C
4
D
3
2
IIT-JEE 1986
MCQ (Single Correct Answer)
+1
-0.25
The ratio of the energy of a photon of 2000Ã… wavelength to that 4000Ã… radiation is
A
1/4
B
4
C
1/2
D
2
3
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
4
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
JEE Advanced Subjects