MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Surface Tension

a u tube with...

Question

a u tube with limbs of diameter 1 cm and 0.4 cm conttains water of surface tension 7.010^-2 n/m angle of contact 0deg and density 1.010^3 kg m^-3 find difference in levels.
take g=10 m/s^2

Open in App

Solution

$f o r r = 1 c m h = \frac{2 * 0.07 * \cos 0}{0.01 * 1000 * 10} = 0.0014 m f o r r = 0.4 c m h' = \frac{2 * 0.07 * \cos 0}{0.004 * 1000 * 10} = 0.0035 m d i f f e r e n c e i n h e i g h t = 0.0035 - 0.0014 = 0.0021 m R e g a r d s$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Two capillary tubes of diameters 3.0 mm and 6.0 mm are joined together to form a U-tube open at both ends. If the U-tube is filled with water, what is the difference in its levels in the two limbs of the tube? Surface tension of water at the temperature of the experiment is

7.3 \times 10^{- 2} N / m

. Take the angle of contact to be zero and density of water to be

10^{3} k g / m^{3} (g = 9.8 m / s^{2})

Q. Two narrow bores of diameters

3.0 m m

6.0 m m

are joined together to form a U-tube open at both ends. If the U-tube contains water, what is the difference in its levels in the two limbs of the tube ? Surface tension of water at the temperature of the experiment is

7.3 \times 10^{- 2} N m^{- 1}

. Take the angle of contact to be zero and density of water to be

1.0 \times 10^{3} k g m^{- 3}

g = 9.8 m s^{- 2}

Q. Two narrow bores of diameters 3.0 mm and 6.0 mm are joined together to form a U-shaped tube open at both ends. If the U-tube contains water, what is the difference in its levels in the two limbs of the tube? Surface tension of water at the temperature of the experiment is

7.3 \times 10^{- 2} N m^{- 1}

Take the angle of contact to be zero and density of water to be

1.0 \times 10^{3} k g m^{3} (g = 9.8 m s^{- 2})

Q. Two narrow bores of diameters

3 mm

6 mm

are joined together to form a

u-shaped

tube open at both ends. If the u - tube contains water, the difference in it's level of water in the two limbs will be

(

Take surface tension of water

= 7.3 \times 10^{- 2} N/m

, angle of contact

= 0^{\circ}

and density of water =

1000 {kg/m}^{3})

Q. Two arms of a

U

tube have unequal diameters

d_{1} = 1.0 m m

d_{2} = 1.0 c m

. If water (surface tension

7 \times 10^{- 2} / m)

is poured into the tube held in the vertical position, the difference of level of water in the

U

\frac{x}{2} c m

x

Assume the angle of contact to be zero.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Surface Tension of Water

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Surface Tension

Standard VIII Chemistry

Join BYJU'S Learning Program

CrossIcon