1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A wire fixed at the upper end stretches by length $$l$$ by applying a force $$F.$$ The work done in stretching is
A
$$2Fl$$
B
$$Fl$$
C
$${F \over {2l}}$$
D
$${{Fl} \over 2}$$
2
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 $$v$$
3
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.
4
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
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12