Q4. How are the colours of a spectrum arranged?

  • In order of increasing frequency
  • In order of decreasing frequency
  • In the order of increasing wavelength
  • In random order

 

 

Asked by sonalnr | 21st Nov, 2019, 09:47: PM

Expert Answer:

when we refer spectrum of light, we see the arrangement VIBGYOR , i.e., Violet, Indigo, Blue, Green, Yellow, Orange and Rd.
This arrangement is in the order of increasing wavelength
Typical wave length of each color
 
Violet  :-  400 nm ,
Indigo :- 450 nm ,
Blue :-    475 nm,
Green :- 550 nm ,
Yellow :- 580 nm ,
Orange :- 600 nm ,
Red :-      700 nm

Answered by Thiyagarajan K | 22nd Nov, 2019, 09:19: AM

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