Properties of Solids & Liquids (NEET Physics): Questions 183 - 185 of 188

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Question number: 183

» Properties of Solids & Liquids » Terminal Velocity

MCQ▾

Question

An incompressible liquid flows through a horizontal tube as shown in trite following fig. Then the velocity v of the fluid is

Flow of horizontal fluid Velocity of 8m/s

Flow of Horizontal Fluid Velocity of 8m/S

In above figure we show that in starting fluid flow with 8 m/s and then it divided in two way with one velocity of 4 m/s

Choices

Choice (4) Response
a.

3.0 m/s

b.

1.5 m/s

c.

2.25 m/s

d.

1.0 m/s

Question number: 184

» Properties of Solids & Liquids » Surface Energy and Surface Tension

MCQ▾

Question

A homogeneous solid cylinder of length L (L<H2) and cross-sectional area A4 is immersed such that it floats with its axis vertical at the liquid-liquid interface with length L4 in the denser liquid as shown in the fig. The lower density liquid is open to atmosphere having pressure P Q. Then density of solid is given by

homogeneous solid cylinder in liquid with length L/4

Homogeneous Solid Cylinder in Liquid With Length L/4

Here in above fig we show that homogenous cylinder of length in liquid phase interface with length L/4.

Choices

Choice (4) Response
a.

Dd

b.

D=d

c.

D<d

d.

D>d

Question number: 185

» Properties of Solids & Liquids » Surface Energy and Surface Tension

Appeared in Year: 2016

MCQ▾

Question

A rectangular film of liquid is extended from (4cm×2cm) to (5cm×4cm) . If the work done is 3×104J , the value of the surface tension of the liquid is –

Choices

Choice (4) Response
a.

8.0Nm

b.

0.125Nm

c.

0.250Nm

d.

0.2Nm

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