Advertisements
Advertisements
Question
Draw a labelled diagram: Dispersion of light through a prism.
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
In the following diagram the correctly marked angles are :
(a) ∠A and ∠e
(b) ∠i, ∠A and ∠D
(c) ∠A ∠r and ∠e
(b) ∠A ∠r and ∠D
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
Why do you not see a spectrum of colours when light passes through a flat pane of glass?
The speed of light in air or vacuum is
In figure AO is the ray of white light falling on a prism PQR. Complete the diagram till the light emerges out from the prism and falls on the screen.
The diagram below shows the path taken by a narrow beam of yellow monochromatic light passing through an equiangular glass prism. If the yellow light is replaced by a narrow beam of white light incident at the same angle, draw another diagram to show the passage of white light through the prism and label it to show the effect of prism on the white light.
Complete the ray diagram given below to show the nature of light produced on the screen.
In which of the following four diagrams is the correct path of a ray of light passing through a glass prism shown ?
The wavelength range of white light is ______.
Sunlight entering through a narrow aperture falls on a prism. Draw a neat labelled ray diagram to show the formation of the spectrum on a screen. Name the colour obtained nearer the base of the prism.
Match the Columns:
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (a) 600 nm |
| (b) 700 nm | |
| (c) 500 nm |
Write an Explanation.
Critical angle
The splitting of white light in to seven colors is called ______.
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
The phenomena of light involved in the formation of rainbow are ______.
Which one of the following is involved for the formation of rainbow in the sky?
A prism of refractive index `sqrt2` and refracting angle A produces minimum deviation δm of a ray on one face at an angle of incidence 45°, The values of A and δm are, respectively ______.
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’.
