A student rubs a polytene rod with a soft insulating glove , state the nature of the charge on the polytene rod after being rubbed. Explain in terms of movement of the particles how the polytene rod becomes charged

f is prop to m1xm2 double m1 double force

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.

god i hope this !