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What is linear expansion answer the expansion in length of solids on heating is called linear expansion?
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What is linear expansion?
If a body is heated and after heating the body if the expand in one dimension then it is called linear expansion
Does the coefficient of linear expansion depends upon length?
yes,according to relation coefficient of linear expansion depends upon original length.
Does the cofficient of linear expansion depend on length?
No, it is a fundamental mechanical property of the material
What is thermal expansion and explain its two types?
- Thermal expansion is the dimension modification of a material under heating. - Linear, volumetric and area thermal expansion are known and measured for materials.
Does the coefficient of linear expansion depend upon length describe?
The coefficient of linear expansion DOES not depend on the length. Each material has a certain value for its coeeficient of linear expansion. The length of the material dictates how much it will expand linearly for a given rise in temperature. L" = L'(1 + a x (T'' - T')) That is the length at temperature T'' which is higher than temperature T' is given by the length L' at temperature T' multiplied by the quantity [1 + a x (T" - T')], where a is the coefficient of linear expansion which is constant for a given material. Thus if the temperature difference T" - T' is large then the expansion will be large which means L" - L' will be large. Likewise if the original length L' is large, then the corresponding expanded length L" will be large
State 3 factors that will determine linear expansion?
Linear expansion depends upon three factors: 1. Length of rod 2. Change in temperature 3. Nature of material of the rod.
Does the co-efficient of linear expansion depends on length?
No. It's a ratio between two numbers, and it doesn't depend on the specific length, or on the units used.
What is mass divided by length?
Mass divided by linear displacement (length or distance) is density, often called linear density or lambda.
What is the scientific name for the inrease in the size of a substance when the temperature is increased?
Thermal Expansion. Each liquid or pure solid has a specific thermal of expansion. The thermal expansion of a substance is not linear, though for most of the temperatures we encounter in normal life, it is close enough to linear to be able to use a linear definition called the "Coefficient of Thermal Expansion".
Why do you use mercury in thermometers if it is not a good conductor of heat?
- mercury is a liquid metal - cooling and heating are easy reversible - cooling and heating are rapid - the relation between the temperature and the thermal expansion of mercury is linear
A material has a linear thermal expansion coefficient of 17 x 10-6 is 5.88m long at 28C. What is the change in length at 96C?
0,00679728mm
How mathematical relationship between linear expansivity?
the expansion is strain e times length L or y = eL if strain is temperature related then e = CTE x temperature T where CTE is linear thermal expansion coefficient or y = CTE x L x T
