Answer:
1. 1, 2, 4 all show some form of refraction as the bending of a light ray when passing from one media to another.
Explanation:
Number 4 is the most accurate as it also shows some light being reflected and the bending of the refracted light ray in the correct direction for going from a medium of low refractive index (air) into a higher refractive index material (crown glass)
The plasma membrane of a cell is a group of lipids and proteins that forms the boundary between a cell's contents and the outside of the cell.
Answer:
True or False
Explanation:
Because.....
easy 50% chance you are right
Answer:
Explanation:
From the question we are told that:
Far point is 
Near point is 
Therefore
Focal Length
Generally the equation for the Lens is mathematically given by
A group of protons and neutrons surrounded by electrons
