Properties of Solids & Liquids-Surface Energy and Surface Tension (AIIMS Physics): Questions 1 - 4 of 4

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Question number: 1

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

MCQ▾

Question

The property utilized in the manufacture of lead shots is:

Choices

Choice (4) Response
a.

Surface tension of liquid lead

b.

Specific gravity of liquid lead

c.

Specific weight of liquid lead

d.

Compressibility of liquid lead

Question number: 2

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

MCQ▾

Question

A solid sphere of diameter D and density 8gcm3 has a spherical cavity of diameter d inside it. If it just floats completely immersed in a liquid of density 2gcm3 , then the ratio Dd is –

Choices

Choice (4) Response
a.

23

b.

233

c.

43

d.

433

Question number: 3

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

Appeared in Year: 2006

MCQ▾

Question

Area of liquid film is 6×10cm2 and surface tension is T=20dynecm , what is the work done to change area up to 12×10cm2 : [RPMT]

Choices

Choice (4) Response
a.

120erg

b.

120joule

c.

1200joule

d.

1200erg

Question number: 4

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

Appeared in Year: 1996

MCQ▾

Question

Two soap bubbles each of radius 20 cm are touching each other. The radius of curvature of the common surface will be – [RPMT]

Choices

Choice (4) Response
a.

2r

b.

Infinite

c.

r

d.

r2

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