APP2 Optics Review IG

diffraction is waves bending because of

• edges of a slit or thin object

• speed of wave changes

• dark matter

• gravity

refraction is waves bending because of

• edges of a slit or thin object

• speed of wave changes

• dark matter

• gravity

which type of lens

• opaque

• convex

• concave

• plano

which type of lens

• concave

• convex

• opaque

• plano

which type of lens

• concave

• convex

• opaque

• plano

which type of lens

• concave

• convex

• opaque

• plano

this is an example of

• refraction

• diffraction

• infraction

• reflection

The line that passes through the center of a curved mirror is called

• focal point
• center of curvature 
• principle axis
• light ray

The point in the middle way between a curved mirror and the center of curvature is the

• principle point
• focal point
• center of curvature
• principle axis

The distance between the focal point and the mirror is

• raduis
• diameter
• focal point
• focal length