KVPY SX SB Exam 05-Nov-2017 Question Paper

Question : 22 of 120

Marks: +1, -0

A carrot looks orange in colour because of the β carotene molecule in it. This means that the β carotene molecule absorbs light of wavelengths

Solution:

Approximate value of wavelength for orange colour is between 590 to

625 .

Hence for carrot having orange colour

β

carotene molecule absorbs wavelength longer than 550 and shorter than 700 .

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