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[" An aluminium plate fixed in a horizon...

[" An aluminium plate fixed in a horizontal position "],[" has a hole of diameter "2.000cm" .A steel sphere of "],[" diameter "2.005cm" rests on this hole.All the lengths "],[" refer to a temperature of "10^(@)C" .The temperature( "C)],[" at which the sphere will fall down? Coefficient of "],[" linear expansion of aluminium is "23times10^(-6)C^(-1)" and "],[" that of steel is "11times10^(-6)C^(-1)" ."]

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An aluminum plate fixed in a horizontal position has a hole of diameter 2.000 cm. A steel sphere of diameter 2.005 cm rests on this hole. All the lengths refer to a temperature of 10^@C .The temperature of the entire system is slowly increased. At what temperature will the ball fall down? coefficient of linear expansion of aluminum is 23 xx 10^(-6)C^(-1) and that of steel is 11 xx 10^(-6)C^(-1) .

An alumimum plate fixed in a horizontal position has a hole of diameter 2.000 cm. A steel sphere of diameter 2.005 cm rests on this hole. All the lengths refer to a temperature of 10^C .The temperature of the entire system is slowly increased. At what temperature will the ball fall down? coefficient of linear expansion of aluminium is 23 xx 10^(-6) o^C(-1) and that of steel is 11 xx 10^(-6) 0^C^(-1) .

An aluminium sphere of diameter 20 cm is heated from 0^(@)C " to " 100^(@)C . What will be its change in volume? Coefficient of linear expansion of aluminium =23 times 10^(-6@)C^(-1) .

An iron sphere has a radius of 10 cm at a temperature of 0^(@)C . Calculate the change in the volume of the sphere, if it is heated to 100^(@)C . Coefficient of linear expansion of iron = 11 xx 10^(-6).^(@)C^(-1) .

An iron sphere has a radius 8 cm at a temperature of 0^(@)C . Calculate the change in volume of the sphere if is temperature is raised to 80^(@)C . Coefficient of liner expansion of iron =11xx10^(-6) .^(@)C^(-1) .

An iron sphere of radius 10 cm is at temperature , 10^(@)C . If the sphere is heated upto temperature 110^(@)C , find the change in the volume of the sphere coefficient of linear expansion of iron = 11 xx 10^(-6) .^(@)C^(-1)

A steel wire 2 mm in diameter is just stretched between two fixed points at a temperature of 20^(@)C. If the temperature falls to 10^(@)C, then the tension in the wire is (The coefficient of linear expansion of steel = 11xx10^(-6)//^(@)C and Y for steel 2.1 xx10^(11)N//m^(2))

A steel wire 2 mm in diameter is just stretched between two fixed points at a temperature of 20^(@)C. If the temperature falls to 10^(@)C, then the tension in the wire is (The coefficient of linear expansion of steel = 11xx10^(-6)//^(@)C and Y for steel 2.1 xx10^(11)N//m^(2))

A steel wire 2 mm is diameter is just stretched between two fixed points at a temperature of 20^(@)C . If the temperature falls to 10^(@)C , then the tension in the wire is (Coefficient of linear expansion of steel (alpha) is 11xx10^(-6)//""^(@)C and Y_(s)=2.1xx10^(11)N//m^(2) )

An iron sphere has a radius of 10 cm at 0°C. The change in volume of the sphere if it is heated to 100^(@)C (coefficient of linear expansion of iron = 11 xx 10^(-6)^(@) C^(-1) ) is