Surface Tension
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NEET DIGITAL LIBRARY
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361263 A thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out. The frame is completely covered with the film. When the portion \(A\) punctured with a pin, the thread.
supporting img

1 Becomes concave towards \(A\)
2 Becomes convex towards \(A\)
3 Remains in the initial position
4 Either (1) or (2) depending on the size of \(A\) w.r.t. \(B\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361264 The surface tension of a liquid is \(5\,N{m^{ - 1}}\). If a thin film formed on a loop of area \(0.02\;\,{m^{ - 2}}\) then its surface energy will be

1 \(5 \times {10^{ - 2}}\;J\)
2 \(2.5 \times {10^{ - 2}}\;J\)
3 \(3 \times {10^{ - 1}}\;J\)
4 \(2 \times {10^{ - 1}}\;J\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361265 A big drop is formed by coalescing 1000 small droplets of water. The surface energy will become

1 \(\dfrac{1^{\text {th }}}{100}\)
2 \(\dfrac{1}{10}^{\mathrm{th}}\)
3 100 times
4 10 times
JEE - 2024
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361266 A large number of liquid drops each of radius ' \(a\) ' coalesce to form a single spherical drop of radius ' \(b\) '. The energy released in the process is converted into kinetic energy of the big drop formed. The speed of big drop is (The density of liquid is \(\rho\) and surface tension is \(T\) )

1 \(\sqrt {\frac{{6T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
2 \(\sqrt {\frac{{4T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
3 \(\sqrt {\frac{{8T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
4 \(\sqrt {\frac{{5T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
JEE - 2014
Join With Us for More Updates
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361263 A thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out. The frame is completely covered with the film. When the portion \(A\) punctured with a pin, the thread.
supporting img

1 Becomes concave towards \(A\)
2 Becomes convex towards \(A\)
3 Remains in the initial position
4 Either (1) or (2) depending on the size of \(A\) w.r.t. \(B\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361264 The surface tension of a liquid is \(5\,N{m^{ - 1}}\). If a thin film formed on a loop of area \(0.02\;\,{m^{ - 2}}\) then its surface energy will be

1 \(5 \times {10^{ - 2}}\;J\)
2 \(2.5 \times {10^{ - 2}}\;J\)
3 \(3 \times {10^{ - 1}}\;J\)
4 \(2 \times {10^{ - 1}}\;J\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361265 A big drop is formed by coalescing 1000 small droplets of water. The surface energy will become

1 \(\dfrac{1^{\text {th }}}{100}\)
2 \(\dfrac{1}{10}^{\mathrm{th}}\)
3 100 times
4 10 times
JEE - 2024
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361266 A large number of liquid drops each of radius ' \(a\) ' coalesce to form a single spherical drop of radius ' \(b\) '. The energy released in the process is converted into kinetic energy of the big drop formed. The speed of big drop is (The density of liquid is \(\rho\) and surface tension is \(T\) )

1 \(\sqrt {\frac{{6T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
2 \(\sqrt {\frac{{4T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
3 \(\sqrt {\frac{{8T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
4 \(\sqrt {\frac{{5T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
JEE - 2014
For More Updates join with Us
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361263 A thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out. The frame is completely covered with the film. When the portion \(A\) punctured with a pin, the thread.
supporting img

1 Becomes concave towards \(A\)
2 Becomes convex towards \(A\)
3 Remains in the initial position
4 Either (1) or (2) depending on the size of \(A\) w.r.t. \(B\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361264 The surface tension of a liquid is \(5\,N{m^{ - 1}}\). If a thin film formed on a loop of area \(0.02\;\,{m^{ - 2}}\) then its surface energy will be

1 \(5 \times {10^{ - 2}}\;J\)
2 \(2.5 \times {10^{ - 2}}\;J\)
3 \(3 \times {10^{ - 1}}\;J\)
4 \(2 \times {10^{ - 1}}\;J\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361265 A big drop is formed by coalescing 1000 small droplets of water. The surface energy will become

1 \(\dfrac{1^{\text {th }}}{100}\)
2 \(\dfrac{1}{10}^{\mathrm{th}}\)
3 100 times
4 10 times
JEE - 2024
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361266 A large number of liquid drops each of radius ' \(a\) ' coalesce to form a single spherical drop of radius ' \(b\) '. The energy released in the process is converted into kinetic energy of the big drop formed. The speed of big drop is (The density of liquid is \(\rho\) and surface tension is \(T\) )

1 \(\sqrt {\frac{{6T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
2 \(\sqrt {\frac{{4T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
3 \(\sqrt {\frac{{8T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
4 \(\sqrt {\frac{{5T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
JEE - 2014
NEET DIGITAL LIBRARY
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361263 A thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out. The frame is completely covered with the film. When the portion \(A\) punctured with a pin, the thread.
supporting img

1 Becomes concave towards \(A\)
2 Becomes convex towards \(A\)
3 Remains in the initial position
4 Either (1) or (2) depending on the size of \(A\) w.r.t. \(B\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361264 The surface tension of a liquid is \(5\,N{m^{ - 1}}\). If a thin film formed on a loop of area \(0.02\;\,{m^{ - 2}}\) then its surface energy will be

1 \(5 \times {10^{ - 2}}\;J\)
2 \(2.5 \times {10^{ - 2}}\;J\)
3 \(3 \times {10^{ - 1}}\;J\)
4 \(2 \times {10^{ - 1}}\;J\)
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361265 A big drop is formed by coalescing 1000 small droplets of water. The surface energy will become

1 \(\dfrac{1^{\text {th }}}{100}\)
2 \(\dfrac{1}{10}^{\mathrm{th}}\)
3 100 times
4 10 times
JEE - 2024
PHXI10:MECHANICAL PROPERTIES OF FLUIDS

361266 A large number of liquid drops each of radius ' \(a\) ' coalesce to form a single spherical drop of radius ' \(b\) '. The energy released in the process is converted into kinetic energy of the big drop formed. The speed of big drop is (The density of liquid is \(\rho\) and surface tension is \(T\) )

1 \(\sqrt {\frac{{6T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
2 \(\sqrt {\frac{{4T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
3 \(\sqrt {\frac{{8T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
4 \(\sqrt {\frac{{5T}}{\rho }\left[ {\frac{1}{a} - \frac{1}{b}} \right]} \)
JEE - 2014
Join With Us for More Updates