What Am I Riddles

Question: What has an eye but cannot see, takes time to generate, and can dissipate in seconds?

Question: What speaks with its ear, listens with its mouth, and has 10 digits but no hands?

Question: I only come out when I see lights My colour is opposite of white Mostly, you don’t realize that I’m with you If you leave me, I’ll keep follow you I’ll always copy whatever you do You can’t touch me and I can’t touch you What am I?

Question: I have memories, but none of my own,
whatever's on my inside is what is shown.
If I'm ever different it's because you changed me,
I feel like a decoration, here for you to arrange me.

What am I?

Question: Change a long pause into a short one by doubling a letter.What are the words?