New posts in Refraction

Why are rainbows brighter through polarized glass?

Are we seeing everything in a delayed manner?

Why do I see better under water using swimming goggles?

Difference between convexo-concave and concavo-convex lenses?

Why does a ray passing through optical centre remain undeviated?

If a lens focuses all incoming light to a point, how do we get 2D images?

Do rainbows have ultraviolet bands and infrared bands?

Rainbows at other wavelengths

Why does red light travel faster than blue light?

How does light speed up after coming out of a glass slab?