Question

a beam of white light falling on a glass prism gets spilt up into 7 colours marked 1 to 7 . a student makes following statement about the spectrum observed on the screen
(i) The colours at positions marked 3 and 5 are similar to the colour of the sky and the core of hard boiled egg respectively.
Is the above statement made by the student correct or incorrect? Justify.
(ii) Which two positions correspond closely to the colour of
(a) solution of potassium permanganate
(b) 'danger' or stop signal lights?​

Answer 1

Answer:

I) they are correct

ii) position 1 - voilet

   position 8- red

Explanation:

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