The production of pure spectrum could easily be achieved ...
The production of pure spectrum could easily be achieved using a?
glass prism with a pin
triangular prism with two convex lens
traingular prism only
triangular prism with two concave lenses
Correct answer is B
No explanation has been provided for this answer.
The difference observed in solids, liquids and gases can be accounted for by ...
The process whereby a liquid turns spontaneously into vapour is called? ...
Which of the following is NOT a vector quantity? ...
What type of electromagnetic radiation can be used to take photographs in the haze? ...