Waves Review

A high pitched sound will have a _____ frequency & a _____ wavelength.

• low / long

• low / short

• high / long

• high / short

A low pitched sound will have a _____ frequency & a _____ wavelength.

• low / long

• low / short

• high / long

• high / short

_____ is when light reflects of a wavy surface & is scattered in all directions.

• diffuse reflection

• focal point

• convex reflection

• concave reflection

A ____ is a point where the light rays that have been reflected or refracted will meet.

• focal point

• plane

• convex

• concave

A ____ mirror has a surface that curves inward.

• focal point

• plane

• convex

• concave

A ____ mirror has a surface that curves outward.

• focal point

• plane

• convex

• concave

A ____ mirror is a flat mirror that creates a virtual image.

• focal point

• plane

• convex

• concave

_____ is a material that reflects or absorbs all of the light that strikes it.

• transparent

• translucent

• opaque

_____ is a material that allows some light to pass through it but scatters the rays in different directions..

• transparent

• translucent

• opaque

_____ is a material that transmits MOST of the light that strikes it.

• transparent

• translucent

• opaque