A metal Metre scale gives correct Measurement at `0^(@)`C . If is generally used at a temperature of `40^(@)`C" .The correction to be Made for every metre is (`alpha` = `10^(-6)`/`1^(0)`C)

A clock with an iron pendulum keeps correct time at 20^(@)C . How much time will it lose or gain in a day if the temperature changes to 40^(@)C . Thermal coefficient of liner expansion alpha = 0.000012 per^(@)C .

A clock with an iron pendulum keeps correct time at 20^(@)C . How much time will it lose or gain in a day if the temperature changes to 40^(@)C . Thermal coefficient of liner expansion alpha = 0.000012 per^(@)C .

A clock with an iron pendulum keeps correct time at 20^(@)C . How much time will it lose or gain in a day if the temperature changes to 40^(@)C . Thermal coefficient of liner expansion alpha = 0.000012 per^(@)C .

A clock with an iron pendulum keeps correct time at 20^(@)C . How much time will it lose or gain in a day if the temperature changes to 40^(@)C . Thermal coefficient of liner expansion alpha = 0.000012 per^(@)C .

A pendulum clock is 5 sec. Slow at a temperature 30^(@)C and 10 sec. fast at a temperature of 15^(@)C , At what temperature does it give the correct time-

A steel scale is to be prepared such that the millimeter intervals are to be accurate within 6 xx10^(-5)mm . The maximum temperature variation form the temperature of calibration during the reading of the millimeter marks is (alpha = 12 xx 10^(-6)//"^(@)C)

A steel scale is to be prepared such that the millimeter intervals are to be accurate within 6 xx10^(-5)mm . The maximum temperature variation form the temperature of calibration during the reading of the millimeter marks is (alpha = 12 xx 10^(-6)//"^(@)C)

(a) The brass scale of a barometer gives correct reading at 0^(@)C . Coefficient of linear expansion of brass is 2.0xx10^(-5)//^(@)C . The barometer reads 75cm at 27^(@)C . What is the atmospheric pressure at 27^(@)C ? (b) A barometer reads 75.0cm on a steel scale. The room temperature is 30^(@)C . The scale is correctly graduated for 0^(@)C . The coefficient of linear expansion of steel is alpha=1.2xx10^(-5)//^(@)C and the coefficient of volume expansion of mercury is gamma=1.8xx10^(-4)//^(@)C . Find the correct atmospheric pressure.

A metallic tape gives correct value at 25^(@)C .A piece of wood is being measured by this metallic tape at 10^(@)C . The reading is 30 cm on the tape, the real length of wooden piece must be

If the temperature of a patient is 40^(@)C , his temperature on the Fahrenheit scale will be