Properties of Solids & Liquids-Viscosity (AIIMS Physics): Questions 1 - 5 of 9

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Question number: 1

» Properties of Solids & Liquids » Viscosity

Appeared in Year: 1982

MCQ▾

Question

The most characteristic property of a liquid is [AIIMS]

Choices

Choice (4) Response

a.

Fluidity

b.

Volume conservation

c.

Elasticity

d.

Formlessness

Question number: 2

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

The diagram (fig. ) shows a venturimeter, through which water is flowing. The speed of water at x is 2cms . The speed of water at y (taking g = 1000 cm/sec2) is

A rough figure of venturimeter

A Rough Figure of Venturimeter

Figure shows the diagram of venturimeter, through which water is flowing.

[AIIMS]

Choices

Choice (4) Response

a.

101cms

b.

23cms

c.

1024cms

d.

32cms

Question number: 3

» Properties of Solids & Liquids » Viscosity

Appeared in Year: 2004

MCQ▾

Question

A sphere of mass M and radius R is falling in a viscous fluid. The terminal velocity attained by the falling object will be proportional to –

[AIIMS]

Choices

Choice (4) Response

a.

1R2

b.

R

c.

1R

d.

R2

Question number: 4

» Properties of Solids & Liquids » Viscosity

Appeared in Year: 1995

Assertion-Reason▾

Assertion (Ꭺ)

Machine parts are jammed in winter.

Reason (Ꭱ)

The viscosity of lubricant used in machine part decrease at low temperature,

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

Question number: 5

» Properties of Solids & Liquids » Viscosity

MCQ▾

Question

Calculate the volume of water flowing in 20 minute through a horizontal tube of 0.4 cm diameter, 80 cm long. The pressure head across the ends of the tube is 30 cm of water column. Coefficient of viscosity of water is 9×104 S. I. units g=10ms2 .

Choices

Choice (4) Response

a.

15.8×105m3

b.

31.4×105m3

c.

15.8×103m3

d.

31.4×103m3

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