1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A force F acting

AIPMT 2005 Physics - Work, Energy and Power Question 25 English
on an object varies with distance x as shown here. The force is in N and x in m. The work done by the force in moving the object from x = 0 to x = 6 m is
A
18.0 J
B
13.5 J
C
9.0 J
D
4.5 J
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 m s$$-$$1. The kinetic energy of the other mass is :
A
324 J
B
486 J
C
256 J
D
524 J
3
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following rods, (given radius r and length $$l$$) each made of the same material and whose ends are maintained at the same temperature will conduct most heat ?
A
r = r0, $$l$$ = $$l$$0
B
r = 2r0, $$l$$ = $$l$$0
C
r = r0, $$l$$ = 2$$l$$0
D
r = 2r0, $$l$$ = 2$$l$$0
4
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is
A
1/2
B
1/$$\sqrt 2 $$
C
2
D
$$\sqrt 2 $$