Logical

Is the glass half empty or half full? Yes. Level = .5 max.

Which came first, the chicken or the egg? That depends:
If you are a creationist, God (or "the designer" if you are ashamed of God) would have made a chicken, not an egg. It would have been eaten by the first racoon.
Evolution producs new animals slowly, and at some point in the past, something that we would arbitrarily say is not a chicken would have an offspring that we would say is a chicken.

What happens when an irresistable force acts upon an immovable object? Only one of them can exist at the same time. If the object is immovable, the force is not irresistable. If the force is irresistable the object is not immovable. There can only be one winner.

If you are flying through space at the speed of light, and you turn your lights on, what happens?
First, you can't be at the speed of light, but you could be close. Your lights would act the same as ever. Read about it here.