Ayana Ashok

"The journey to the centre of the earth " by jules verne .

it was interesting , but i dint complete the chapter

law of conservation of momentum , formula , momentum , velocity , logic behind it , examples , real life examples , sign when its in right and left , calculation .

Ray diagram , convex and concave lens , spherical mirror , description of the image which is formed , focul point , principal axes , 2f , types of image formed , magnifying glass , myopia and hypermetropia .

Geometry :- lines , angles , quadrlaterals , types of triangle , segements in a circle , interior angle and exterior angle formula , did a lot of problems .