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प्रश्न
In the spectrum of white light by a prism, the colour at the extreme end opposite to the base of prism is ______.
विकल्प
Violet
Yellow
Red
Blue
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उत्तर
In the spectrum of white light by a prism, the colour at the extreme end opposite to the base of prism is red.
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संबंधित प्रश्न
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
Draw a ray diagram to show the dispersion of white light.
Name the process which is involved in the formation of a rainbow.
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
- A beam of monochromatic light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?
- If white light is used in the same way as in part (a) above, what change do you expect in the emergent beam?
- What conclusion do you draw about the nature of white light in part (b)?
The phenomenon of splitting of light into its component colours is ___________ .
A student has to trace the path of a ray of light through a glass prism. List four precautions he should observe for better results.
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.
State True or False:
"Wavelength of red light is close to 700 nm.”
A ray of light is incident at 45° on an equilateral prism in the diagram below.
- Name the phenomenon exhibited by the ray of light when it enters and emerges out of the prism.
- State the cause of the above phenomenon mentioned by you.
