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syed514


 Diamond: 2.419
Flint glass (pure) : 1.60 - 1.62
Crown glass (pure): 1.50 - 1.54
Zircon: 2.15 - 2.18

The answer is c. Diamond, because diamond has biggest value of the refraction index.
this is equation of that:
n1.λ1=n2.λ2

Answer: c. diamond has shortest wavelength.

Explanation:

Refractive index is inversely proportional to the wavelength.

n1.λ1=n2.λ2

Diamond: 2.419

Flint glass (pure): 1.60 - 1.62

Crown glass (pure): 1.50 - 1.54

Zircon: 2.15 - 2.18 .

Therefore, c. diamond has shortest wavelength.

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