What force will produce a pressure of 50 Pa on an area of 2 sq. m ?​

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.

true is the correct answer

hope i

so easy. just google the electromagnetic waves and it’ll pop up.

continuous conducting path for current, power supply