In Optics Retinal FatigueQ: What is retinal fatigue? A: When white object is seen after looking a bright object for a long time it does not appear … 3:36 PM· Updated :7:18 AM
In Optics Define Brewster's LawQ: Explain Brewster's Law. A: Let us take a glass slab of refracting index "μ". When the angle between refra… 3:25 PM· Updated :7:18 AM
In Optics Power of A LensQ: What do you mean by power of a lens? A: The power of deviating of a ray of light by a lens is inversely proportional t… 2:36 PM· Updated :7:18 AM