1
IIT-JEE 2002 Screening
MCQ (Single Correct Answer)
+1
-0.25
Rutherford's experiment, which established the nuclear model of the atom, used a beam of
A
$$\beta-particles$$, which impinged on a metal foil and got absorbed
B
$$\gamma-particles$$, which impinged on a metal foil and ejected electrons
C
helium atoms, which impinged on a metal foil and got scattered
D
helium nuclei, which impinged on a metal foil and got scattered
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)
+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
4
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+1
-0.25
The number of nodal planes in a px orbital is
A
one
B
two
C
three
D
zero
JEE Advanced Subjects