Properties of Solids & Liquids-Terminal Velocity [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 1 - 4 of 18

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Question 1

Question MCQ▾

If the terminal speed of a sphere of gold (density = 19.5 kg/m3) is 0.2 m/s in a viscous liquid (density = 1.5 kg/m3) , find the terminal speed of a sphere of silver (density = 10.5 kg/m3) of the same size in the same liquid

Choices

Choice (4)Response

a.

0.133 m/s

b.

0.1 m/s

c.

0.4 m/s

d.

0.2 m/s

Edit

Question 2

Question MCQ▾

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.

b.

c.

d.

Edit

Question 3

Question MCQ▾

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

Choices

Choice (4)Response

a.

2.25 m/s

b.

1.0 m/s

c.

3.0 m/s

d.

1.5 m/s

Edit

Question 4

Question MCQ▾

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/s2)

Choices

Choice (4)Response

a.

51.56 m2 /s2

b.

52.43. m2 /r

c.

50.55 m2 /s2

d.

50.64 m2 /s2

Edit