Physics
Grade-10
Easy
Question
In which of the following light wavelengths is the lowest deviation observed when it gets refracted through a prism?
- 700 nm
- 245 nm
- 483 nm
- 567 nm
Hint:
angle of deviation decreases with increase in wavelength.
The correct answer is: 700 nm
Shorter wavelengths travel more slowly through the prism and hence are further deviated as compared to longer wavelengths. Hence, angle of deviation decreases with increase in wavelength.
So 700nm is correct
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