AIEEE 2004 | Properties of Matter Question 275 | Physics

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

inversely proportional to both radius $$R$$ and velocity $$v$$

directly proportional to both radius $$R$$ and velocity $$v$$

directly proportional to $$R$$ but inversely proportional to $$v$$

inversely proportional to $$R,$$ but directly proportional to velocity $$v$$

AIEEE 2004

MCQ (Single Correct Answer)

-1

If two soap bubbles of different radii are connected by a tube

air flows from the smaller bubble to the bigger

air flows from bigger bubble to the smaller bubble till the sizes are interchanged

air flows from the bigger bubble to the smaller bubble till the sizes become equal

there is no flow of air.

AIEEE 2003

MCQ (Single Correct Answer)

-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 :

two

three

four

one

AIEEE 2002

MCQ (Single Correct Answer)

-1

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

$$10$$

$$20$$

$$25.5$$

$$5$$

Questions Asked from Properties of Matter (MCQ (Single Correct Answer))

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