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Consequences of Anomalous Expansion

A steel tape ...

Question

A steel tape is calibrated at 20 degree Celsius . when the temperature of the day is -10 degree Celsius , the percentage error in the measurement with the tape is ( linear coefficient 12 x 10 to the exponent -6 / degree Celsius ) 1. 3.6% 2. 0.36% 3. 0.18 % 4. 0.036%

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Similar questions

Q. A steel tape is calibrated at

20^{\circ} C

. On a cold day when the temperature is

- 15^{\circ} C

, the percentage error in the tape is

- \frac{x}{1000} %

x

Coefficient of linear thermal expansion for steel

α = 12 \times 10^{- 6}

K^{- 1}

Q. A steel tape is calibrated at

20^{\circ} C

. when the temperature of the day is

- 10^{\circ} C

, the percentage error in the measurement with the tape is (

α = 12 \times 10^{- 6} /^{\circ} C

Q. A steel rod of length

1 m

is heated from 25 degree Celsius to 75 degree Celsius keeping its length constant. The longitudinal strain in the rod is : (given : coefficient of linear expansion of steel=

12 \times 10^{- 6} C

Q. A steel tape is calibrated at

20^{o}

C. On a cold day when the temperature is

- 15^{o}

C, percentage error in the tape will be [

α_{s t e e l}

10^{- 5^{o}} C^{- 1}

Q. A steel tape is calibrated at

20^{\circ} C

. On a cold day when the temperature is

- 15^{\circ} C

percentage error in the tape will be

[α_{steel} = 1.2 \times 10^{- 5 \cdot 0} C^{- 1}]

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