A slit of width 'd' is illuminated by light of wavelength `5000overset(@)A`. For what value od 'd' will the first maximum fall at an angle of diffraction of `30^(@).`

A slt of width a illuminated by mono-chromatic ligth of wavelength 650 nm at normal incidence .Calculate the value of a when the first maximum falls at an angle of diffraction of 30^@ .

A slt of width a illuminated by mono-chromatic ligth of wavelength 650 nm at normal incidence .Calculate the value of a when the first minimum falls at an angle of diffraction of 30^@ ,

A double slit is illuminated by light of wavelength 6,000 overset @A .The slits are 0.1 cm apart and the screen is placed on meter away. Calculate the angular position of the 10th maximum in radian.

A double slit is illuminated by light of wavelength 6,000 overset @A .The slits are 0.1 cm apart and the screen is placed on metre away.Calculate separation of the two adjacent imnima.

In a Young's double slit experiment,two slits are 1.5 mm apart and a screen in placed at a distance 1.2 m from the plane of the slits .The slits are illuminated with light of wavelength 6,000 overset @A .Find the inimum distance from the central maximum for which the intensity is half of the maximum intensity.

Angular width of centrl maximum in the Fraunhofer diffraction pattern of a slit is measured.The slit is iluminated by igth of wavelength 6,000 overset@A .When the slit is illuminated by light of another wavelength,the angular width decreases y 30%.Calculate the wavelength of this light. The same decrease in the angular width of centrl maximum is obtained ,when the original appartus is immersed in a liquid.Fin refractive index of the liquid.

A slit of width 0.15 cm is illuminated by ilght of wavelength 5xx 10^(-5) cm and a diffraction pattern is obtained on a screeen 2.1 m away .Calculate the width of the central maxima.

A slit of width a is illuminated by monochromtic light at normal incidence .Draw the intensity distribution curve observed on the screen due to diffraction.

A slit of width d is placed in the path of the beam of wavelength lambda . The angular width of the principle maximum obtained is:

What is the ratio of velocities of light rays of wavelength 5,000 overset @ A and 7,000 overset @A in vacuum?