Question

please answer these all questions

Answer 1

There is the answer....1. I gave u all the 6 ray diagrams for convex lens.see the pic
2.because convex mirror forms real images while concave lens form virtual images.i think u know what real images are. I will tell u
Real images can be obtained on a screen and virtual images cannot be obtained on a screen.
3.the sky reflects the colour of all the
water bodies so it appears blue.
4.in the second third and fourth pic