Question

b) Sound sleep
& Clean clothes make us look
makes us
a Exercise makes us
do Good food checks
e Open and fresh air is good for​

Answer 1

Answer:

A convex lens is thicker at the centre and thinner at the edges. A concave lens is thicker at the edges and thinner at the centre. Due to the converging rays, it is called a converging lens. Due to the diverging rays, it is called a diverging lens.