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Thermal Expansion of Gases All three states of matter (solid, liquid and gas) expand when heated, but thermal expansion of gases is much greater than solids or liquids, i.e., on heating, gases expands much greater than solids or liquids. But change in volume of gases not only depends on change in temperature but…
Thermal Expansion in liquids Thermal expansion in liquids is similar to that of volume expansion in solids and is governed by the similar relationship :- V = V0( 1 + γΔT ) The bonds between separate molecules in liquids are usually less tight than solids, hence they expand more than solids for…
Error in Metal Scale Reading Due To Expansion and Contraction Error in Metal Scale Reading Due To Expansion and Contraction :- In this article we are going to discuss about error in metal scale reading due to change in temperature. Suppose we have a metal scale. As we know, with rise and fall…
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Effect of Temperature on the Time Period of a Simple Pendulum In this article we are going to discuss the effect of temperature on the time period of a simple pendulum, i.e., how the time read by a pendulum clock is affected by the rise and fall in temperature. A pendulum clock consists of…
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Numerical on Thermal Expansion Q1. A metal rod A of length 25 cm expands by 0.05 cm, when its temperature is raised from 0°C to 100°C. Another rod B of a different metal of length 40 cm expands by 0.04 cm for the same rise in temperature. A third rod C of length 50…
Relation Between alpha beta and gamma We have already studied about alpha beta and gamma in thermal expansion. In this article we are going to discuss that, what is the relation between alpha beta and gamma in physics? Relation Between alpha beta and gamma for isotropic solids Suppose that we have a cube…
Temperature Scales Commonly used five temperature scales are :- Centigrade / Celsius (ºC) Fahrenheit (ºF) Kelvin (K) Reaumur scale (ºR) Rankine Scale (ºRN) All these scales have Lower Fixed Point (L.F.P.) as melting point of ice and Upper Fixed Point (U.F.P.) as boiling point of water. All of these temperature scales are…
Principle of Measurement of Temperature Measurement of Temperature :- In the previous article Temperature we discussed that for temperature measurement of an object, we need to construct a temperature scale. In that temperature scale we utilize any measurable property of a system that varies linearly over a wide range with temperature. That…
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Temperature The concept of temperature is rooted in qualitative ideas based on our sense of touch. A body that feels “hot” usually has a higher temperature than a similar body that feels “cold.” Many properties of matter that we can measure i.e. :— the length of a metal rod steam pressure in a…
Motion of a vehicle on a plane and banked circular path The vehicles require centripetal force at the bend of a road and this centripetal force is provided to the vehicle by the frictional force between the road and the tires of the vehicle or the radial component of the normal reaction on…
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