Advertisements
Advertisements
प्रश्न
Which colour of white light travels fastest in glass?
Advertisements
उत्तर
Red colour travels fastest.
APPEARS IN
संबंधित प्रश्न
Name three factors on which the deviation produced by a prism depends and state how does it depend on the factors stated by you.
How does the deviation produced by a triangular prism depend on the colours (or wavelengths) of light incident on it?
In following diagram shows a thin beam of white light from a source S striking on one face of a prism.
A slit is placed in between the prism and the screen to pass only the light of green colour. What will you then observe on the screen?
Light of different colours is deviated through different angles, by a prism. Explain the reason.
Name the radiation of a wavelength longer than 8 × 10−7 m.
Explain, why quartz prism is required for obtaining the spectrum of ultra-violet light?
A prism causes dispersion of white light while a rectangular glass block does not. Explain.
Which colour of white light travels slowest, in glass?
The wavelengths for the light of red and blue colours are nearly 7·8 × 10-7 m and 4·8 × 10-7 m respectively.
Which colour has greater speed in glass?
