A mother and daughter's realization of the different reflection produced by a mirror, despite a visible item not being in front of the mirror, has left the internet confused. In a viral video, the ...

Refraction close refractionProcess by which a wave changes speed and sometimes direction upon entering a denser or less dense medium, eg a light ray changes direction when refracted by a lens. of ...

Answer 3 is correct. You see the same no matter how far back you go. This may seem counter-intuitive. We've all checked our reflection before going out, and it seems natural that to see our whole body ...