A beam of monochromatic light of wavelength `lambda` falls normally on a diffraction grating of line spacing d. If `theta` is the angle between the second-order diffracted beam and the direction of the incident light, what is the value of `sin theta` ?

Light with wavelength lambda falls on a diffracting grating at right angles. Find the angular dispersion of the grating as a function of diffraction angle theta .

Find the wavelength of monochromatic light falling normally on a diffraction grating with period d = 2.2 mu m if the angle between the directions to the Fraunhofer maxima of the first and the second order is equal to Delta theta = 15^(@) .

A plane light wave with wavelength lambda falls normally on a phase diffraction grating whose side view is shown in Fig. The grating is cut on a glass plate with refractive index n . Find the depth h of the lines at which the intensity of the central Fraunhofer maximum is equal to zero. what is in this case the diffraction angle corresponding to the first maximum?

Light is incident normally on a diffraction grating through which the first order diffraction is seen at 32^@ . The second order diffraction will be seen at

Light is incident normally on a diffraction grating through which the first order diffraction is seen at 32^@ . The second order diffraction will be seen at

Light with wavelength 535nm falls normally on a diffraction grating. Find its period if the diffraction angle 35^(@) corresponds to one of the Fraunhofer maxima and the highest order of spectrum is equal to five.