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Answers
✍️ What is dispersion ?
When white light is passed through a glass prism, it splits into its spectrum of colours. The colours are :-
- V - Violet
- I - Indigo
- B - Blue
- G - Green
- Y - Yellow
- O - Orange
- R - Red
And this process of white light splitting into its constituent colors is termed as dispersion.
✍️ Visible light spectrum :-
Why does light split into its spectrum of colours in a prism but not in a glass slab ?
The dispersion occurs in a prism but not in glass slab because of the geometric design. In a slab, the opposite sides are parallel to each other whereas in the case of the prism, the sides are not parallel to each other.
In a prism, the dispersion occuring at one face is enhanced by the refraction at the other face, but in a glass slab the dispersion occuring at one face is neutralized by refraction at the other side.
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Answer:
✍️ What is dispersion ?
When white light is passed through a glass prism, it splits into its spectrum of colours. The colours are :-
V - Violet
I - Indigo
B - Blue
G - Green
Y - Yellow
O - Orange
R - Red
And this process of white light splitting into its constituent colors is termed as dispersion.
✍️ Visible light spectrum :-
Why does light split into its spectrum of colours in a prism but not in a glass slab ?
The dispersion occurs in a prism but not in glass slab because of the geometric design. In a slab, the opposite sides are parallel to each other whereas in the case of the prism, the sides are not parallel to each other.
In a prism, the dispersion occuring at one face is enhanced by the refraction at the other face, but in a glass slab the dispersion occuring at one face is neutralized by refraction at the other side.
Explanation:
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