1
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+1
-0.25
The wavelength associated with a golf ball weighing 200 g and moving at speed of 5 m/h is of the order
A
10-10 m
B
10-20 m
C
10-30 m
D
10-40 m
2
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+1
-0.25
The quantum numbers +1/2 and -1/2 for the electron spin represent
A
rotation of the electron in clockwise and anticlockwise direction respectively
B
rotation of the electron in anticlockwise and clockwise direction respectively
C
magnetic moment of the electron pointing up and down respectively
D
two quantum mechanical spin states which have no classical analogue
3
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+2
-0.5
The common features among the species CN-, CO and NO+ are
A
bond order three and isoelectronic
B
bond order three and weak field ligands
C
bond order two and $$\pi$$-acceptors
D
isoelectronic and weak field ligands
4
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+1
-0.25
The set representing the correct order of first ionization potential is
A
K > Na > Li
B
Be > Mg > Ca
C
B > C > N
D
Ge > Si > C
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