Q- Do the focal lengths of lens and mirror depend on the colour of light ray? Chapter: LightView Answer
Q- Why does a convex lens of glass (µ=1.5)behave as a diverging lens when it is immersed in a liquid of R.l.= 1.8? Chapter: LightView Answer
Q- A swimmer sees only hazy contours of objects when he opens his eyes under water, while they are distinct when using a mask. Why? Chapter: LightView Answer