(b) A thin film of methanol (n=1.25) coats a thick glass plate (n =1.50). White light is incident normal to the
film. In the

Question

(b) A thin film of methanol (n=1.25) coats a thick glass plate (n =1.50). White light is incident normal to the
film. In the reflections, fully destructive interference occurs at 600 nm and fully constructive interference at
700 nm. Calculate the thickness of the acetone film.

Katherine · Answer

Answer:   I can't understand your question sorry        Mr rider 46 here

Arianna

the length of three sides of four triangle are given below say from which triangle cannot be drawn
a 17cm,7cm,8cm. b 4cm ,8cm

G is 12km west of H,
H is 7km south of J,
J is 5km east of K,
K is 7km north of L.
At what distance is L

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(b) A thin film of methanol (n=1.25) coats a thick glass plate (n =1.50). White light is incident normal to thefilm. In the