A light of wave length 589 nm is passed through a single slit of width 1mm and a diffraction pattern is observed. Find angular width of central bright band.

A monochromatic light of wavelength 500 nm is incident normally on a single slit of width 0.2 mm to produce a diffraction pattern. Find the angular width of the central maximum obained on the screen. Estimate the number of fringes obatined in Young's double slit experiment with fringe width 0.5 mm, which can be accommodated within the region of total angular spread of the central maximum due to single slit.

Light of wavelength 6500 Å passes through a slit 0.1 cm wide and forms a diffraction pattern on a screen 1.8 m away. The width of the central maximum in mm is

Light of wavelength 6500 Å passes through a slit 0.1 cm wide and forms a diffraction pattern on a screen 1.8 m away. The width of the central maximum in mm when the apparatus is immersed water of refractive index (4)/(3) is

A beam of light of wavelength 900 nm from a distant source falls on a single slit 0.5 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance of first minimum on either side of central maximum is

A fraunhofer diffraction pattern is formed by a light,of wavelength 600nm, through a slit if width 1.2 mu m . Find the angular position of the first minimum and angular width of the central maximum.

A parallel light beam of wavelength 6000Å passes through a slit 0.2 mm wide and forms a diffraction pattern on a screen 1.0 m away from the slit. Find the width of the central maximum in mm on the screen.

Light of wavelength 5000Å is diffracted through a slit 0.2 mm wide and forms a diffraction pattern on a screen. It is found that the first minima lie at 5mm on either side of the central maximum on the screen. Determine the distance of the screen in metre from the slit.

A parallel beam of light of wavelength lambda is incident normally on a single slit of width d. Diffraction bands are obtained on a screen placed at a distance D from the slit. The second dark band from the central bright band will be at a distance given by

A parallel beam of light of lambda = 5 xx 10^(-7) m is incident normally on a narrow slit of width 0.2 mm. The diffraction pattern is observed on a screen at the focal plane of a convex lens of f = 50 cm. Find the distance between the first two minima and the first two maxima on the screen.

A light of wavelength 6000Å from a distant source falls on a narrow slit of width 0.5 mm. As a result, a diffraction fringe pattern is formed on a screen placed at a distance 2.0 m from the slit. What is the distance between first two minima points formed on the either side of central maximum of this fringe pattern.