1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Two spherical conductors $$B$$ and $$C$$ having equal radii and carrying equal charges on them repel each other with a force $$F$$ when kept apart at some distance. A third spherical conductor having same radius as that $$B$$ but uncharged is brought in contact with $$B,$$ then brought in correct with $$C$$ and finally removed away from both. The new force of repulsion between $$B$$ and $$C$$ is
A
$$F/8$$
B
$$3$$ $$F/4$$
C
$$F/4$$
D
$$3$$ $$F/8$$
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
If two soap bubbles of different radii are connected by a tube
A
air flows from the smaller bubble to the bigger
B
air flows from bigger bubble to the smaller bubble till the sizes are interchanged
C
air flows from the bigger bubble to the smaller bubble till the sizes become equal
D
there is no flow of air.
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A particle moves in a straight line with retardation proportional to its displacement. Its loss of kinetic energy for any displacement $$x$$ is proportional to
A
$$x$$
B
$${e^x}$$
C
$${x^2}$$
D
$${\log _e}x$$
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A uniform chain of length $$2$$ $$m$$ is kept on a table such that a length of $$60$$ $$cm$$ hangs freely from the edge of the table. The total mass of the chain is $$4$$ $$kg.$$ What is the work done in pulling the entire chain on the table?
A
$$12$$ $$J$$
B
$$3.6$$ $$J$$
C
$$7.2$$ $$J$$
D
$$1200$$ $$J$$
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