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प्रश्न
A ray of light moving from an optically rarer to a denser medium
विकल्प
bends away from the normal
bends towards the normal
remains undeviated
none of the above
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उत्तर
bends towards the normal
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संबंधित प्रश्न
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.
A beam of white light is shone onto a glass prism. The light cannot be:
(a) deviated
(b) dispersed
(c) focused
(d) refracted
Out of the following, the colour of light having the maximum wavelength is:
(a) violet
(b) indigo
(c) green
(d) orange
Why do you not see a spectrum of colours when light passes through a flat pane of glass?
Out of air and glass, which is optically rarer? Give reason.
If a monochromatic beam of light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?
Match the Columns:
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (a) 600 nm |
| (b) 700 nm | |
| (c) 500 nm |
The periscope is an optical device with a polished surface that reflects the light falling on it.
