What is a spectrum?

What is spectrum? How is it taken?

What is spectrum? How many types of spectrum are there?

What is spectrum? Draw a labelled diagram to show the formation of spectrum. Name the various colours of spectrum.

(a) What is spectrum ? What is the name of glass shape used to produce a spectrum ? (b) How many colours are there in a full spectrum of white light ? Write the various colours of spectrum in the order, starting with red.

What is spectrum?

What is spectrum?

What is H-spectrum ?

What is spectrum of light?