Question

(iv) Diffraction Grating.​

Answer 1

Answer:

$\huge\boxed{\fcolorbox{cyan}</p><p>{blue}{Heya}}$

Diffraction grating, component of optical devices consisting of a surface ruled with close, equidistant, and parallel lines for the purpose of resolving light into spectra.

Answer 2

Answer:

please mark as a brainlist.