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In Q.39, if water is replaced by another liquid of surface tension 2 sigma, then the force F of attraction between two plates would become
11
Oct
In Q.39, if water is replaced by another liquid of surface tension 2 sigma, then the force F of attraction between two plates would become if water is replaced by another liquid of surface tension 2 sigma In Q.39 then the force F of attraction between two plates would become October 11, 2020 Category: Uncategorised [...]
Consider vertical parallel of semi-circular cross section dipped in a liquid. Assume that the wetting of the tube is complete. The force of surface tension on the flat part and on curved part of the tube are in the ratio
11
Oct
Consider vertical parallel of semi-circular cross section dipped in a liquid. Assume that the wetting of the tube is complete. The force of surface tension on the flat part and on curved part of the tube are in the ratio Water rises to a height h in a capilliary tube of cross sectional area A. [...]
Water rises to a height of 10 cm in a capillary tube and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6 g/c.c and the angles of contact for mercury and water are 135o and 0o respectively, the ratio of surface tension for water and mercury is
11
Oct
Water rises to a height of 10 cm in a capillary tube and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6 g/c.c and the angles of contact for mercury and water are 135o and 0o respectively, the ratio of surface tension for water [...]
A cube with a mass = 20 g wettable water floats on the surface of water. Each face of the cube is α = 3 cm long. Surface tension of water is 70 dyn/cm. The distance of the lower face of the cube from the surface of water is (g = 980 cm/s^2)
11
Oct
A cube with a mass = 20 g wettable water floats on the surface of water. Each face of the cube is α = 3 cm long. Surface tension of water is 70 dyn/cm. The distance of the lower face of the cube from the surface of water is (g = 980 cm/s^2) Water rises [...]
A vessel, whose bottom has round holes with diameter 0.1 mm, is filled with water. The maximum height up to which water can be filled without leakage is
11
Oct
A vessel, whose bottom has round holes with diameter 0.1 mm, is filled with water. The maximum height up to which water can be filled without leakage is A vessel is filled with water. The maximum height up to which water can be filled without leakage is whose bottom has round holes with diameter 0.1 [...]
Water rises to a height of 2 cm in a capilliary tube . IF the tube is tilled 60 degree from the vertical , water will rise in the tube to a length of
11
Oct
Water rises to a height of 2 cm in a capilliary tube . IF the tube is tilled 60 degree from the vertical , water will rise in the tube to a length of Water rises to a height of 2 cm in a capilliary tube . IF the tube is tilled 60 degree from [...]
Neglecting the density of air, the terminal velocity obtained by a raindrop of radius 0.3 mm falling through the air of viscosity 1.8 x 10^-5 N/m^2 will be
11
Oct
Neglecting the density of air, the terminal velocity obtained by a raindrop of radius 0.3 mm falling through the air of viscosity 1.8 x 10^-5 N/m^2 will be Neglecting the density of air the terminal velocity obtained by a raindrop of radius 0.3 mm falling through the air of viscosity 1.8 x 10^-5 N/m^2 will [...]
1. Find the cube root of each of the following numbers by prime factorisation method. (iii) 10648
11
Oct
1. Find the cube root of each of the following numbers by prime factorisation method. (iii) 10648 1. Find the cube root of each of the following numbers by prime factorisation method. (iii) 10648 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
1. Find the cube root of each of the following numbers by prime factorisation method. (ii) 512
11
Oct
1. Find the cube root of each of the following numbers by prime factorisation method. (ii) 512 1. Find the cube root of each of the following numbers by prime factorisation method. (ii) 512 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,
1. Find the cube root of each of the following numbers by prime factorisation method. (i) 64
11
Oct
1. Find the cube root of each of the following numbers by prime factorisation method. (i) 64 1. Find the cube root of each of the following numbers by prime factorisation method. (i) 64 October 11, 2020 Category: Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 ,