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प्रश्न
How does the speed of light in glass change on increasing the wavelength of light?
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उत्तर
The speed of light increases with an increase in wavelength.
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संबंधित प्रश्न
Which colour of white light is deviated by a glass prism
- the most and
- the least?
What is the range of wavelength of the spectrum of white light in Å?
Calculate the frequency of yellow light of wavelength 550 nm. The speed of light is 3 × 108 m/s-1.
Write the seven prominent colours present in white light spectrum in order of their increasing wavelength.
Name the seven prominent colours of the white light spectrum in order of their increasing frequencies.
Name four colours of the spectrum of white light which have wavelength longer than blue light.
Which colour of white light is deviated most.
Write approximate wavelength for (i) blue (ii) red light. Which colour has the higher speed in a vacuum? Which colour has the higher speed in the glass?
An imaginary material reflects red light, scatters green light, transmits blue light, and absorbs yellow, orange, and violet light. A cube of this material is shown in the given diagram.
The surface is illuminated with a beam of white light. What colour will this cube appear?
(i) from above,
(ii) from below and
(iii) from the sides?
What is the range of wavelength of the spectrum of white light nm?
