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 |
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. |
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
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 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 |