CBSE Class 10 Sample Paper Science Solution - For 2023 Boards

State the phenomena observed in the above diagram. Explain with reference to the

diagram, which of the two lights mentioned above will have the higher wavelength?

Question 25 - State the phenomena observed - teachoo.jpg

 

Answer:

The diagram shows the phenomenon called Dispersion of Light through a glass prism .

  • Dispersion of light is the phenomenon of splitting white light into its component colours when passed through a transparent medium. 
  • White light is split into 7 colours in decreasing order of their wavelengths and/or velocity from top to bottom when passed through a glass prism.

dispersion-of-white-light-in-glass-prism---teachoo.jpg

Therefore, Yellow light has a higher wavelength than Blue light .

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CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo