How does the power of a convex lens vary, if the incident red light is replaced by violet light?
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3
Explanation:
Refractive index of violet light is greater than refractive index of red light. Therefore, power of the lens will be increased when red light is replaced by violet light
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0
Answer:
power of the convex lens increases with the increase in wavelength. We know wavelength of red is more than the wavelength of violet. So, as the wavelength decreases the focal length also decreases.
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