Tag: fibre optics basics

Questions Related to fibre optics basics

In the spectrum of white light which color is deviated minimum ?

physics spectra sunlight - white and coloured sunlight - combination of 7 lights fibre optics basics

  1. Red

  2. Yellow

  3. Violet

  4. Blue

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Correct Option: A
Explanation:

Red colour having minimum refractive index and hence undergoes minimum deviation.


Answer-(A)

In spectrum obtained with prism which color is deviated maximum ?

physics spectra sunlight - white and coloured sunlight - combination of 7 lights fibre optics basics

  1. Violet

  2. Red

  3. Green

  4. Orange

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Correct Option: A
Explanation:

Violet colour having higher refractive index and hence undergoes maximum deviation.


Answer-(A)

Which of the following scientists did the pioneering work to understand the splitting of white light in different components ?

physics spectra sunlight - white and coloured sunlight - combination of 7 lights fibre optics basics

  1. Thomas Edison

  2. Albert Einstein

  3. Issac Newton

  4. Archimedes

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Correct Option: C
Explanation:

Newton was the first to understand that white light consists of a mix of light rays, each with a different colour.

The spreading of white light into its component colours is known as.

physics spectra sunlight - white and coloured sunlight - combination of 7 lights fibre optics basics

  1. Dispersion

  2. Deviation

  3. Refraction

  4. Diffraction

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Correct Option: A
Explanation:

$\text{Defination of Dispersion :-}$

Dispersion is the phenomenon of spreading of white light into its component colors.