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A meter scale made of steel is calibrate...

A meter scale made of steel is calibrated at `20^@C` to give correct reading. Find the distance between 50 cm mark and 51 cm mark if the scale is used at `10^@C`. Coefficient of linear expansion of steel is `1.1 xx 10^(-5 @)C^(-1)`

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`l_(1) = 1 (1- 1.1 xx 10^(-5) xx 10) = 0.99989 cm`
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A metre scale made of steel is calibrated at 20^C to give correct reading. Find the distance between 50 cm mark and 51 cm mark if the scale ia used at 10^C . Coefficient of linear expansion of steel is 1.1 xx 10^(-5) 0^C^(-5)

A clock with a steel pendulum gives accurate time at 30^@C . Calculate the fractional loss or gain in time if temperature changes to 50^@C . Coefficient of linear expansion of steel = 12 xx 10^(-6) ""^@C^(-1)

A steel rod is clamped at its two ends and rests on a fixes horizontal base. The rod is unstrained at 20^C . Find the longitudinal strain debeloped in the tod if the temperature tises to 50^C . Coefficient of linear expansion of steel =1.2 xx 10^(-5_ 0^C(-1) .

A barometer reads 75 cm on a steel scale. The room temperature is 30^(@)C . The scale is correctly graduated for 0^(@)C . Find the correct atmosphere pressure. Given that coefficient of linear expansion of steel is 1.1xx10^(-5).^(@)C^(-1) and that of cubical expansion of mercury is 1.8xx10^(-4).^(@)C^(-1) . Neglect expansion of glass tube.

A brass scale is graduated at 10^@C . What is the true length of a zinc rod which measures 60.00 cm on this scale at 30^@C ? Coefficient of linear expansion of brass =18xx10^-6K^-1 .

A copper bar is 80 cm long at 15^(@)C . What is the increase in length, when heated to 35^(@)C ? The coefficient of linear expansion for copper is 1.7 xx 10^(-5).^(@)C^(-1)

A steel wire of length 20 cm and uniform cross-sectional area of 1 mm^(2) is tied rigidly at both the ends at 45^(@)C . If the temperature of the wire is decreased to 20^(@)C , then the change in the tension of the wire will be [Y for steel = 2 xx 10^(11 Nm^(-2) , the coefficient of linear expansion for steel = 1.1 xx 10^(-5)//.^(@)CC^(-1) ]

A brass rod length 50 cm and diamteer 3.0 mm is joined to a steel rod of the same length and diameter. What is the change in length of the combined rod at 250^(@)C if the original length are at 40^(@)C ? Coefficient of linear expansion of brass and steel are 2.10xx10^(-5) .^@C^(-1) and 1.2 xx 10^(-5) ^(@)C^(-1) respectively.

A metre scale is made of steel resds accurately at 20^C . In a sensitive experiment, distance accurate up to 0.055 mm in 1 m are required. Find the tange of temperature in which the experiment con ve performed with this meter scale. Coefficient of linear expansion of steel =11 xx 10^(-6) 0^C(-1) .

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