A diffracting grating 1 cm wide has 1200 lines and is used in second order. What is the diffraction angle for light of wavelength 550 nm?

A diffraction garating has 5,000 rulings per centimetre. What is the second order diffraction angle for violent light ( lamda = 500 nm).

A. diffraction grating has 800 lines per mm and is illuminated normally by parallel monochromatic light of wavelengths 560 nm and 590 nm. Calculate the difference in the angular positions of the first order spectra of the two lights on th same suide of the normal.

A diifraction grating has 5000 lines per cm. What is the grating element ?

A single slit Fraunhofer diffraction pattern is formed with white light. For what wavelength of light the fourth secondary maximum in the diffraction in the diffraction pattern coincides with the third secondary maximum in the pattern for red light of wavelength 6500 Å ?

In a spectrometer experiment, monochromatic light is incident normally on a diffraction grating having 4.5xx10^5 lines per metre. The seond order line is seen at an angle of 30^@ to the normal. What is the wavelength of the light?

A single slit diffraction pattern is obtained by using a beam of red light. What will happen to the diffraction bands if the red light is replaces by green light?

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 .

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

What will be the angle of diffracting for the first minimum due to Fraunhofer diffraction with sources of light of wavelength 550nm and slit of width 0.55mm ?