Properties of Solids & Liquids-Pressure Due to a Fluid Column (KVPY Stream-SA (Class 11) Physics): Questions 1 - 3 of 3

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Question number: 1

» Properties of Solids & Liquids » Pressure Due to a Fluid Column

Appeared in Year: 2012

MCQ▾

Question

A solid cube and a solid sphere both made of same material are completely submerged in water but to different depths. The sphere and the cube have same surface area. The buoyant force is:

Choices

Choice (4) Response

a.

greater for the sphere than the cube

b.

same for the sphere and the cube

c.

greater for the cube than the sphere

d.

greater for the object that is submerged deeper

Question number: 2

» Properties of Solids & Liquids » Pressure Due to a Fluid Column

Appeared in Year: 2013

MCQ▾

Question

A tall tank filled with water has an irregular shape as shown. The wall CD makes an angle of 450 with the horizontal; the wall AB is normal to the base BC. The lengths AB and CD are much smaller than the height h of water (figure not to scale).

 A tall tank filled with water

a Tall Tank Filled With Water

Figure shows a tall tank filled with water has an irregular shape as shown. P1, P2 and P3 are the pressure on sides AB, BC and CD respectively.

Let P1, P2 and P3 be the pressures exerted by the water on the wall AB, base BC and the wall CD respectively. Density of water is ρ and g is acceleration due to gravity. Then, approximately,

Choices

Choice (4) Response

a.

P1=0,P3=P22

b.

P1=P3=P22

c.

P1=P3=0,P2=hρg

d.

P1=P2=P3

Question number: 3

» Properties of Solids & Liquids » Pressure Due to a Fluid Column

MCQ▾

Question

Water flows through a horizontal pipe of variable cross-section. The pressure of water is p at a point where the flow velocity is v. If ρ is the density of the water, the pressure at a point where the flow velocity is 3v will be,

Choices

Choice (4) Response

a.

p2ρv2

b.

p3ρv2

c.

p4ρv2

d.

pρv2

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