This question has Statement-1 and Statement-2. Of the four choices given after the Statements, choose the one that best describes the two Statements.
Statement-1: If a clean glass slide is observed under white light, one does not observe any colours. However, if this slide is touches with oily hands, coloured fringes appear on the slide.
Statement -2 : These fringes are due to interference of transmitted light from the upper and lower surfaces of the thin oil film.