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प्रश्न
What is the range of wavelength of the spectrum of white light nm?
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उत्तर
400 nm to 800 nm.
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संबंधित प्रश्न
Name the subjective property of light related to its wavelength.
The smoke from a fire looks white. Which of the following statements is true?
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?
How does the speed of light in glass change on increasing the wavelength of light?
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?
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.
Which colour of white light is deviated at least?
