Acommon prism or grating shows the solar spectrum to be a rainbow of colors. but if you spread the spectrum out enough you begin to see other things. what are they?

What is the scientific definition of energy that relates to work

Which best represents the law of conservation of mass ?

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k