1
IIT-JEE 1995 Screening
MCQ (Single Correct Answer)
+1
-0.25
A 3p orbital has
A
two non spherical nodes
B
two spherical nodes
C
one spherical and one non spherical node
D
one spherical and two non spherical nodes
2
IIT-JEE 1992
MCQ (Single Correct Answer)
+1
-0.25
Which of the following relates to photons both as wave motion and as a stream of particles?
A
Inference
B
E = mc2
C
Diffraction
D
E = hv
3
IIT-JEE 1992
MCQ (Single Correct Answer)
+1
-0.25
Which of the following does not characterise X-rays?
A
The radiation can ionise gases
B
It causes ZnS to fluorescence
C
Deflected by electric and magnetic fields
D
Have wavelengths shorter than ultraviolet rays
4
IIT-JEE 1989
MCQ (Single Correct Answer)
+1
-0.25
The correct set of quantum numbers for the unpaired electron of chlorine atom is
A
n = 2, l = 1, m = 0
B
n = 2, l = 1, m = 1
C
n = 3, l = 1, m = 1
D
n = 3, l = 0, m = 0
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