1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Spherical balls of radius $$R$$ are falling in a viscous fluid of viscosity $$\eta $$ with a velocity $$v.$$ The retarding viscous force acting on the spherical ball is
A
inversely proportional to both radius $$R$$ and velocity $$v$$
B
directly proportional to both radius $$R$$ and velocity $$v$$
C
directly proportional to $$R$$ but inversely proportional to $$v$$
D
inversely proportional to $$R,$$ but directly proportional to velocity $$v$$
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 2003
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
According to Newton's law of cooling, the rate of cooling of a body is proportional to $${\left( {\Delta \theta } \right)^n},$$ where $${\Delta \theta }$$ is the difference of the temperature of the body and the surrounding, and $$n$$ is equal to :
A
two
B
three
C
four
D
one
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
A cylinder of height $$20$$ $$m$$ is completely filled with water. The velocity of efflux of water (in $$m{s^{ - 1}}$$) through a small hole on the side wall of the cylinder near its bottom is
A
$$10$$
B
$$20$$
C
$$25.5$$
D
$$5$$
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