BITSAT SERIES Physics
Viscosity
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
1
2019 1
2015 1
2012 1
2011 1
2010 1
2005 Chapter Questions 6 MCQs
01
PYQ 2005
medium
physics ID: bitsat-2
If a liquid does not wet glass, its angle of contact is :
1
zero
2
acute
3
obtuse
4
right angle
02
PYQ 2010
medium
physics ID: bitsat-2
A spherical ball is dropped in a long column of viscous liquid. The speed v of the ball as a function of time t may be best represented by 
1
Option a
2
Option b
3
Option c
4
Option d
03
PYQ 2011
medium
physics ID: bitsat-2
Viscosity is the property of a liquid due to which it:
1
occupies minimum surface area
2
opposes relative motion between adjacent layers
3
becomes spherical in shape
4
tends to regain its deformed position
04
PYQ 2012
medium
physics ID: bitsat-2
A large drop of oil (density 0.8 g/cm³ and viscosity ) floats up through a column of another liquid (density 1.2 g/cm³ and viscosity ). Assuming that the two liquids do not mix, the velocity with which the oil drop rises will depend on:
1
only
2
only
3
both on and
4
neither nor
05
PYQ 2015
medium
physics ID: bitsat-2
Water is flowing on a horizontal fixed surface such that its flow velocity varies with (vertical direction) as
If coefficient of viscosity for water is , what will be the shear stress between layers of water at ?
1
2
3
4
None of these
06
PYQ 2019
medium
physics ID: bitsat-2
Water is flowing on a horizontal fixed surface such that its flow velocity varies with y (vertical direction) as
v = k((2y²)/(a²) - (y³)/(a³)).
If coefficient of viscosity for water is η, what will be the shear stress between layers of water at y = a?
1
2
3
4
None of these