Question

answers in one word
I) bounching back of light Ray's in the same medium
ii)it is a perfect flower
iii) a mineral used in the Crystal from in the world
iv) one of the largest pendulum in the world
v) it is safety device which prevent damage to elecric wire or applience
vi) it is made up of transparent medium glass bounded by the spherical surface
vii) a lens that is thicker in the middle and thinner at the edges

Answer 1

1- reflection
2- stemen
3- granite
4- principia
5- cover
6- refraction
7- convex

Answer 2

1.Reflection
2. ~Question information insufficient
3. ~Question information insufficient
4. Foucault Pendulum in Portland
5. Fuse or MCB
6.Lens
7. Convex lens