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प्रश्न
Write the seven prominent colours present in white light spectrum in order of their increasing wavelength.
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उत्तर
Seven prominent colours of the white light spectrum, in order of their increasing frequencies:
violet < indigo < blue < green < yellow < orange < red
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संबंधित प्रश्न
Name the subjective property of light related to its wavelength.
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1) Molecules of the smoke are bigger than the wavelength of light
2) Molecules of the smoke are smaller than the wavelength of light.
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?
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Fig shows a thin beam of white light from a source S striking on one face of a prism.
- Complete the diagram to show the effect of the prism on the beam and to show what is seen on the screen.
- If 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?
- What conclusion do you draw from the observation in part (b) above?
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 at least?
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?
