a brass rod of length 0.40 cm and steel rod of length 0.60cm, both are initially at 0 degree celsius are heated to 75 degree celsius. if the increase in length is the same for both the rods, calculate the linear expansivity of brass. given alpha for steel is 12*10 power -6​

frequency or wavelenth of em radiation in a vacuum

igneous rocks also form where plates converge. the subducting plate melts as it sinks into the crust of the earth, and the melt rises into the overriding plate forming volcanoes. metamorphic rocks are formed mainly in the lithosphere, wherever there is high pressure and high temperature. -woods