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प्रश्न
Differentiate between a glass slab and a glass prism.
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उत्तर
Glass slab: It is rectangular in shape and made up of glass. In glass slab, the direction of the incident ray and the emergent ray of light are parallel to each other.
Glass Prism: It has two triangular sides, two inclined rectangular sides, and one rectangular base. In glass prism, the direction of the incident ray and the emergent ray of light is not parallel to each other.
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संबंधित प्रश्न
A student is observing a diagram showing the path of a ray of light passing through a glass prism. He would find that for all angles of incidence the ray of light bends:
A beam of white light is shone onto a glass prism. The light cannot be:
(a) deviated
(b) dispersed
(c) focused
(d) refracted
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
If white light is used in same way what change is expected in the emergent beam?
Match the Columns:
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (a) 600 nm |
| (b) 700 nm | |
| (c) 500 nm |
The splitting of white light in to seven colors is called ______.
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.
State True or False:
"Wavelength of red light is close to 700 nm.”
