- The Grating Spacing Of Diffraction Grating A Is Da And The Grating Spacing Of Diffraction Grating Is Db Such That Da D 1 (62.24 KiB) Viewed 15 times
The grating spacing of diffraction grating A is dA and the grating spacing of diffraction grating is dB such that dA > do. Which of the following statements are correct when white light is incident on the gratings? 1. Grating A has fewer lines per millimetre than grating B. II. Grating B has fewer visible orders than grating A. III. The angle between orange and violet light in a spectral order is greater for grating B than for grating A. Which of these statements are correct? A. I and II only B. I and III only C. II and III only D. I, II and III Answer D.