1
IIT-JEE 1996
MCQ (Single Correct Answer)
+1
-0.25
The orbital angular momentum of an electron in 2s orbital is
A
$$ + {1 \over 2}.{h \over {2\pi }}$$
B
Zero
C
$${h \over {2\pi }}$$
D
$$\sqrt 2 .{h \over {2\pi }}$$
2
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
3
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
4
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
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