HURRY! Which are characteristics of a ray when it hits a boundary and reflects, but not when it hits the boundary and refracts? Check all that apply.

changes direction

changes speed

does not change direction

does not change speed

bounces off the boundary

passes through the boundary

changes direction

changes speed

bounces off the boundary

B. changes speed

F. passes through the boundary

Explanation:

(This Answer is correct on Edge 2021)

A. "changes direction" is INCORRECT bc while the incident ray does change direction in refraction, it also changes direction in reflection, and we require only the characteristics that are present in refraction and not reflection.

unlike poles attract

there is no correct list among the choices you've provided.

the list might look something like this:

-- baby human

-- piccolo

-- flute

-- soprano singer

-- trumpet

-- tenor singer

-- trombone

-- baritone singer

-- baritone horn

-- bass singer

-- tuba

since i had to make up the list myself, i made it easy on myself, and i didn't try to shuffle the string instruments and woodwinds into it too.