10. Three vectors Ā, B and C are represented both in magnitude and direction by the three sides
of a triangle taken in the same order. If R is the
resultant of these three vectors, then
(a) R =0 (b) R#0 (c) R <0 (d) R > 0

The ozone hole appears in antarctica during

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext