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Which Colour of White Light is Deviated at Least? - Physics

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प्रश्न

Which colour of white light is deviated at least?

एका वाक्यात उत्तर

उत्तर

The red light is deviated at least.

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Colour in White Light with Their Wavelength and Frequency Range
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Spectrum - Short Answers

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आईसीएसई Physics [English] Class 10
पाठ 5 Spectrum
Short Answers | Q 3

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

  1. the most and
  2. 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.


Fig shows a thin beam of white light from a source S striking on one face of a prism.

  1. Complete the diagram to show the effect of the prism on the beam and to show what is seen on the screen.
  2. 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?
  3. 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.


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?


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