Cengage JEE Mains Physics by B.M Sharma
A small metal ball of diameter 4 mm and density 10.5 g/cm^3 in dropped in glycerine of density 1.5 g/cm^3. The ball attains a terminal velocity of 8 cm/sec. The coefficient of viscosity of glycerine is
15
Sep
A small metal ball of diameter 4 mm and density 10.5 g/cm^3 in dropped in glycerine of density 1.5 g/cm^3. The ball attains a terminal velocity of 8 cm/sec. The coefficient of viscosity of glycerine is A straw 6 cm long floats on water. The water film on one side has surface tension of 50 [...]
A marble of mass x and diameter 2r is gently released in tall cylinder containing honey. If the marble displace mass y ( < x) of the liquid, then the terminal velocity is proportional to
15
Sep
A marble of mass x and diameter 2r is gently released in tall cylinder containing honey. If the marble displace mass y ( < x) of the liquid, then the terminal velocity is proportional to A marble of mass x and diameter 2r is gently released in tall cylinder containing honey. If the marble displace [...]
A thin square plate of side 5 cm is suspended vertically from a balance so that lower side just dips into water with side to surface. When the plate is clean (θ = 0 degree ), it appears to weigh 0.044 N. But when the plate is greasy (θ =180 degree ), it appears to weigh 0.03 N. The surface tension of water is
15
Sep
A thin square plate of side 5 cm is suspended vertically from a balance so that lower side just dips into water with side to surface. When the plate is clean (θ = 0 degree ), it appears to weigh 0.044 N. But when the plate is greasy (θ =180 degree ), it appears to [...]
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Cengage JEE Mains Physics by B.M Sharma
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Chapter 12 - Fluid Mechanics, Surface Tension and Viscosity
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A thin square plate of side 5 cm is suspended vertically from a balance so that lower side just dips into water with side to surface. When the plate is clean (θ = 0 degree ) ,
it appears to weigh 0.03 N. The surface tension of water is ,
it appears to weigh 0.044 N. But when the plate is greasy (θ =180 degree ) ,
Two soap bubbles of radii a and b combine to form a single bubble of radius c. If P is the external pressure, then Surface Tension of the soap solution is:
15
Sep
Two soap bubbles of radii a and b combine to form a single bubble of radius c. If P is the external pressure, then Surface Tension of the soap solution is: then Surface Tension of the soap solution is: Two soap bubbles of radii a and b combine to form a single bubble of radius [...]
The surface energy of a liquid drop is E. It is sprayed into 1000 equal droplets. Then its surface energy becomes
15
Sep
The surface energy of a liquid drop is E. It is sprayed into 1000 equal droplets. Then its surface energy becomes The surface energy of a liquid drop is E. It is sprayed into 1000 equal droplets. Then its surface energy becomes September 15, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter [...]
Work W is required to form a bubble of volume V from a given solution. What amount of work is required to be done to form a bubble of volume 2V ?
15
Sep
Work W is required to form a bubble of volume V from a given solution. What amount of work is required to be done to form a bubble of volume 2V ? Work W is required to form a bubble of volume V from a given solution. What amount of work is required to be [...]
A hollow sphere has a small hole in it. On lowering the sphere in a tank of water, it is observed that water enters into the hollow sphere at a depth of 40 cm below the surface. Surface tension of water is 7×10^−2 N/m. The diameter of the hole is
15
Sep
A hollow sphere has a small hole in it. On lowering the sphere in a tank of water, it is observed that water enters into the hollow sphere at a depth of 40 cm below the surface. Surface tension of water is 7×10^−2 N/m. The diameter of the hole is A hollow sphere has a [...]
The angle of contact between glass and water is 0o and it rises in a capillary upto 6 cm when its surface tension is 70 dyn/cm. Another liquid of surface tension 140 dyn/cm, angle of contact 60 degree and relative density 2 will rise in the same capillary up to
15
Sep
The angle of contact between glass and water is 0o and it rises in a capillary upto 6 cm when its surface tension is 70 dyn/cm. Another liquid of surface tension 140 dyn/cm, angle of contact 60 degree and relative density 2 will rise in the same capillary up to angle of contact 60 degree [...]
A ring is cut from a platinum tube 8.5 cm internal and 8.7 cm external diameter. It is supported horizontally from the pan of a balance, so that it comes in contact with the water in a glass vessel. If an extra 3.103 gf is required to pull it away from water, the surface tension of water is:
15
Sep
A ring is cut from a platinum tube 8.5 cm internal and 8.7 cm external diameter. It is supported horizontally from the pan of a balance, so that it comes in contact with the water in a glass vessel. If an extra 3.103 gf is required to pull it away from water, the surface tension [...]
Posted in:
Cengage JEE Mains Physics by B.M Sharma
,
Chapter 12 - Fluid Mechanics, Surface Tension and Viscosity
,
Tags:
A ring is cut from a platinum tube 8.5 cm internal and 8.7 cm external diameter. It is supported horizontally from the pan of a balance ,
so that it comes in contact with the water in a glass vessel. If an extra 3.103 gf is required to pull it away from water ,
the surface tension of water is: ,
A straw 6 cm long floats on water. The water film on one side has surface tension of 50 dyn/cm. On the other slide, camphor reduces the surface tension to 40 dyn/cm. The resultant force acting on the straw is
15
Sep
A straw 6 cm long floats on water. The water film on one side has surface tension of 50 dyn/cm. On the other slide, camphor reduces the surface tension to 40 dyn/cm. The resultant force acting on the straw is A straw 6 cm long floats on water. The water film on one side has [...]