Why wave motion is doubly periodicity ?

Wave motion is doubly periodic. Explain.

What is wave motion ?

Wave motion is periodic in ______

Select the correct statements. (i) A simple harmonic motion is necessarily periodic (ii) A simple harmonic motion is necessarily oscillatory (iii) An oscillatory motion is necessarily periodic (iv) A periodic motion is necessarily oscillatory

Progressive wave with doubly periodic means

What is periodic motion ?

Wave motion is a propagation of disturbance through the medium in terms of __________

All oscillatory motions are necessarily periodic motions but

Why is hydrogen placed separately above group 1 in the periodic table ?

The hypothesis that material particle in motion has dual properties of matter and wave was suggested by-