) A beam of light is incident on the left side of a fiber optic cable with a square cross-sectional area making an angle of 20 degree with the normal to the left edge of the fiber optic cable. A) How far from the left edge will the beam of light reach the top of the fiber optic cable for the first time

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation:

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.