Advertisements
Advertisements
Question
A body will experience minimum upthrust when it is completely immersed in :
Options
Turpentine
Water
Glycerine
Mercury
Advertisements
Solution
A body will experience minimum upthrust when it is completely immersed in : Turpentine
APPEARS IN
RELATED QUESTIONS
Name the S.I. unit of density. How is it related to g Cm-3?
Why does a piece of ice float on water?
What physical quantity is measured in bar?
Explain the following statement:
It is easier to cut with a sharp knife than with a blunt one.
The pressure inside a liquid of density p at a depth h is :
A block of iron of mass 7.5 kg and of dimensions 12 cm × 8 cm × 10 cm is kept on a table top on its base of side 12 cm × 8 cm.
Calculate:
- Thrust and
- Pressure exerted on the table top
Take 1 kgf = 10 N.
- Calculate the height of a water column which will exert on its base the same pressure as the 70 cm column of mercury. Density of mercury is 13.6 g cm-3.
- Will the height of the water column in part (a) change if the cross-section of the water column is made wider?
In what direction and at what point does the buoyant force on a body due to a liquid act?
A body of mass 3.5 kg displaces 1000 cm3 of water when fully immersed inside it. Calculate:
- the volume of body,
- the upthrust on body and
- the apparent weight of body in water.
Figure shows the same block of wood floating in three different liquids A, B and C of densities ρ1, ρ2 and ρ3 respectively. Which of the liquid has the highest density? Give a reason for your answer.
