Which wave characteristic has the unit hertz

a) electrical > light, sound, and thermal< < < <

) the mechanical energy of the firefighter moving.< < < < a) electrical > light, sound, and thermal< < < <

c) both a and b.

true is the correct answer

hope i

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.