Why does Haumea look like a Mentos?

The meme literally describes it.

What happens to the light rays when they hit the specimen?

If the speed of a particle triples ,by what factor does its kinetic energy increase?

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?