1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A solid sphere of radius R is placed on smooth horizontal surface. A horizontal force F is applied at height h from the lowest point. For the maximum acceleration of centre of mass, which is correct ?
A
h = R
B
h = 2R
C
h = 0
D
no relation between h and R.
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A disc is rotating with angular speed $$\omega $$. If a child sits on it, what is conserved
A
linear momentum
B
angular momentum
C
kinetic energy
D
potential energy.
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A circular disc is to be made by using iron and aluminium so that it acquired maximum moment of inertia about geometrical axis. It is possible with
A
aluminium at interior and iron surround to it
B
iron at interior and aluminium surround to it
C
using iron and aluminium layers in alternate order
D
sheet of iron is used at both external surface and aluminium sheet as internal layers.
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
Unit of Stefan's constant is
A
watt m2 K4
B
watt m2/K4
C
watt/m2 K
D
watt/m2K4
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