How can you use neutron in a sentence

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

Two polarizers are oriented at 70∘∘ to one another. unpolarized light falls on them. what fraction of the light intensity is transmitted?

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.