Properties of Solids & Liquids-Terminal Velocity (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 1 - 4 of 8

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Question number: 1

» Properties of Solids & Liquids » Terminal Velocity

MCQ▾

Question

If the terminal speed of a sphere of gold (density = 19.5 kg/m 3) is 0.2 m/s in a viscous liquid (density = 1.5 kg/m 3), find the terminal speed of a sphere of silver (density = 10.5 kg/m 3) of the same size in the same liquid

Choices

Choice (4) Response

a.

0.4 m/s

b.

0.1 m/s

c.

0.133 m/s

d.

0.2 m/s

Question number: 2

» Properties of Solids & Liquids » Terminal Velocity

MCQ▾

Question

A large open tank has two holes in the wall. One is a square hole of side L at a depth y from the top and the other is a circular hole of radius if at a depth 5y from the top. When the tank is completely filled with water the quantities of water flowing out per second from both the holes are the same. Then R is equal to

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 3

» 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 - the velocity v of the fluid

Flow of Horizontal Fluid - the Velocity v of the Fluid

In above figure we show that in starting fluid flow with 3 m/s and then it divided in two way with velocity of 1.5 m/s

Choices

Choice (4) Response

a.

1.5 m/s

b.

1.0 m/s

c.

3.0 m/s

d.

2.25 m/s

Question number: 4

» Properties of Solids & Liquids » Terminal Velocity

MCQ▾

Question

Water is filled in a cylindrical container to a height of 3 m. The ratio of the cross-sectional area of the orifice and the beaker is 0.1. The square of the speed of the liquid coming out from the orifice is (g = 10m/s 2)

Choices

Choice (4) Response

a.

50 m 2 /s 2

b.

52 m 2 /s

c.

50.5 m 2 /s 2

d.

51 m 2 /s 2

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