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प्रश्न
Match the Columns:
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (a) 600 nm |
| (b) 700 nm | |
| (c) 500 nm |
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उत्तर
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (b) 700 nm |
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संबंधित प्रश्न
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 will happen if another similar glass prism is placed upside down behind the first prism?
What is spectrum? What is the name of glass shape used to produce a spectrum?
Draw a diagram to show how white light can be dispersed into a spectrum by using a glass prism. Mark the various colours of the spectrum.
Name the process which is involved in the formation of a rainbow.
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
When white light passes through a prism, it ............
The splitting of white light into its constituent colours is called .............
Out of air and glass, which is optically rarer? Give reason.
An object is placed in front of a converging lens and in front of a diverging lens as in fig.
(a)Complete the ray diagram to obtain an image.
(b)Compare the nature of image formed by both the lenses in the above case.
The wavelength range of white light is ______.
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.
Which characteristic property of light is responsible for the blue colour of the sky?
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.
Rainbow is a beautiful natural phenomenon. It is the combined effect of a natural three processes together produced by light. Write it into the circle.
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
______ colour is deviated the least in the spectrum of white light obtained with a glass prism.
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
