CBSE 2024-25 Competency-Based Questions With Answers: The Central Board of Secondary Education (CBSE) has recently released a ...

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 ...

When people look into a mirror, they see an image of themselves behind the glass. That image results from light rays encountering the shiny surface and bouncing back, or reflecting, providing a ...

Exploiting a novel technique called phase discontinuity, researchers have induced light rays to behave in a way that defies the centuries-old laws of reflection and refraction. The discovery has led ...

It’s all to do with the raindrops, says one reader, with them needing to be relatively uniform in size and well separated for ...