a metal rod 500mm long is heated from 10 degree celsius to 95degree celsius. if it expands by 1.36mm, the linear expansion of the metal is?

trig 15.3 cos

think its the third option

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.