Given the indices of refraction n1 and n2 of material 1 and material 2, respectively, rank these scenarios on the basis of the phase shift in the refracted ray.

Classify each action depending on whether it will meet or fail to meet the goals of the organization. a group of students form a healthy earth club at their school. their goal is to limit their school’s impact on human-led climate change. they brainstormed a list of actions they can take to meet this goal.

Keys to preventing a fall from a ladder include choosing the right ladder for the job and tying the top and bottom of the ladder to fixed paints. what else can you do to keep safe when using a ladder?

Which one of the following flowers can be described as having broad, spear-like foliage and fragrant little white bell-shaped flowers?