Properties of Solids & Liquids-Terminal Velocity (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 4 of 8
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Question number: 1
» Properties of Solids & Liquids » Terminal Velocity
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. | 0.133 m/s | |
b. | 0.1 m/s | |
c. | 0.4 m/s | |
d. | 0.2 m/s | |
Question number: 2
» Properties of Solids & Liquids » Terminal Velocity
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. |
| |
b. |
| |
c. |
| |
d. |
| |
Question number: 3
» Properties of Solids & Liquids » Terminal Velocity
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
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 2.25 m/s | |
b. | 1.0 m/s | |
c. | 3.0 m/s | |
d. | 1.5 m/s | |
Question number: 4
» Properties of Solids & Liquids » Terminal Velocity
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. | 52 m 2 /s | |
b. | 50 m 2 /s 2 | |
c. | 51 m 2 /s 2 | |
d. | 50.5 m 2 /s 2 | |