Q1 of 40 Page 60

Which coloured light has minimum velocity in the glass prism?

Red light has the longest wavelength so it travels the fastest.

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1

What is the time difference between actual sunset and apparent sunset?

 1

Which colour of light scatters maximum due to atmosphere?

 2

What is the dispersion of light? Which are the colours of the spectrum obtained from the dispersion through a glass prism?

 2

Write the name of primary colours of light. Write the name of colours obtained from their mixture?