If a polymer has a bandgap energy of 1.8 ev, what color would its emission be?

In physics the desire of an object to keep doing what it is doing is termed?

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.

How to calculate voltage drop in a series circuit