Properties of Solids & Liquids-Terminal Velocity (NEET Physics): Questions 5 - 8 of 8

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Question number: 5

» Properties of Solids & Liquids » Terminal Velocity

MCQ▾

Question

Water is filled in a cylindrical container to a height of 3m. The ratio of the cross-sectional area of the orifice and the beaker is 0.2. The square of the speed of the liquid coming out from the orifice at height 0.525 is, (g = 10m/s 2)

Choices

Choice (4) Response

a.

50.64 m 2 /s 2

b.

52.43. m 2 /r

c.

51.56 m 2 /s 2

d.

50.55 m 2 /s 2

Question number: 6

» Properties of Solids & Liquids » Terminal Velocity

Assertion-Reason▾

Assertion (Ꭺ)

Bernoulli’s theorem holds for incompressible, non-viscous fluids.

Reason (Ꭱ)

The factor v22g is called velocity head.

Choices

Choice (4) Response

a.

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

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are false

Question number: 7

» 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 4y 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.

2πL

b.

L

c.

L2π

d.

L2π

Question number: 8

» 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

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