Mechanical Properties of Fluids Test

Result

Mechanical Properties of Fluids Test - 75

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Weekly Quiz Competition

Question 1
4 / -1

A capillary tube of radius r is immersed in water and water rises in it to a height h. The mass of water in the capillary tube is 5 g Another capillary tube of radius 2r is immersed in water. The mass of water that will rise in this tube is

A
2.5 g

B
5.0 g

C
10 g

D
20 g

Solution
Question 2
4 / -1

In a capillary tube, water rises to 3 mm. The height of water that will rise in another capillary tube having one-third radius of the first is

A
1 mm

B
3 mm

C
6 mm

D
9 mm

Solution
Question 3
4 / -1

By inserting a capillary tube upto a depth 1 in water, the water rises to a height h. If the lower end of the capillary is closed inside water and the capillary is taken out and closed end opened, to what height the water will remain in the tube?

A
Zero

B
l + h

C
2h

D
h
Question 4
4 / -1

The correct relation is

A

B

C

D
Question 5
4 / -1

During capillary rise of a liquid in a capillary tube,the surface of contact that remains constant is of

A
Glass and liquid

B
Air and glass

C
Air and liquid

D
All of these
Question 6
4 / -1

A shell having a hole of radius r is dipped in water. It holds the water upto a depth of h then the value of r is

A

B

C

D
None of these

Solution
Question 7
4 / -1

In a capillary tube, water rises by 1.2 mm. The height of water that will rise in another capillary tube having half the radius of the first, is

A
1.2 mm

B
2.4 mm

C
0.6 mm

D
0.4 mm

Solution
Question 8
4 / -1

Two capillary tubes of same diameter are put vertically one each in two liquids whose relative densities are 0.8 and 0.6 and surface tension are 60 and 50 dyne/cm respectively. Ratio of heights of liquids in the two tubes h₁ /h₂ is

A
10/9

B
3/10

C
10/3

D
9/10

Solution
Question 9
4 / -1

Water rises in a vertical capillary tube upto a height of 2.0 cm. If the tube is inclined at an angle of 60° with the vertical, then upto what length the water will rise in the tube?

A
2.0 cm

B
4.0 cm

C

D

Solution
Question 10
4 / -1

The surface tension for pure water in a capillary tube experiment is

A

B

C

D

Solution