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Question
The seven colours in the spectrum of sunlight in order, are represented as :
Options
VIBGYOR
VIGYBOR
BIVGYOR
RYOBIVG
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Solution
VIBGYOR
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RELATED QUESTIONS
Study the following ray diagram:

In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by
(A) y, p, z
(B) x, q, z
(C) p, y, z
(D) p, z, y
What happens when a ray of ordinary light is passed through a triangular glass prism?
The colour of white light which is deviated the maximum on passing through the glass prism is:
(a) blue
(b) indigo
(c) red
(d) orange
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:

Make the correct choice for each of the following:
Which one of the following Fig correctly shows the path of the ray through the glass block?
What is the cause of the dispersion of white light through a glass prism? Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in an inverted position with respect to each other and a narrow beam of white light is allowed to fall obliquely on one of the faces of the prisms.
Suggest one way, in each case, by which we can detect the presence of Infrared radiations.
Draw a neat and labelled diagram for dispersion of light.
Observe the given figure and answer the following questions.

- Which colour light rays bend most?
- Which colour light rays bend least.
- What is the wavelength of violet light rays?
Observe the given diagram and answer the questions:

- Name the process shown in the figure.
- Name the colour that deviates the most.
- Name the colour that deviates the least.
- Name any one phenomenon in nature which is based on the above process.
- Define ‘spectrum’.
