Why mass increases with increase in temperature ? Explian in detail please

Asked by govtsecschoolnayaganv051 | 14th Dec, 2018, 07:19: PM

Expert Answer:

When the temperatue increases the volume of matter increases and density decreases. It is because the mass of that object remains same. For example, if the temperature of iron bob is increases its volume increases and density decreases while the mass is same. This is because it undergoes thermal expansion. When the temperature decreases then the volume decreases and the density increases keeping mass constant this is called contraction of substance due to the loss of heat. 

Answered by Shiwani Sawant | 20th Dec, 2018, 12:41: PM