Two slits separated by a distance of 1mm are illuminated with red light of wavelength `6.5 times 10^-7 m`. The interference fringes are observed on a screen placed 1m from the slits. The distance between the third dark fringe and the fifth bright fringe on the same side of central maxima is

Two slits separated by a distance of 1 mm are illuminated with red light of wavelength 6.5xx10^(-7) m. The interference firnges are observed on a screen placed 1 m form the slits. The distance between third bright firnge and the fifth dark fringe on the same side is equal to

Two slits at a distance of 1mm are illuminated by a light of wavelength 6.5xx10^-7m . The interference fringes are observed on a screen placed at a distance of 1m . The distance between third dark fringe and fifth bright fringe will be

The two slits are 1 mm apart from each other and illuminated with a light of wavelength 5xx10^(-7) m. If the distance of the screen is 1 m from the slits, then the distance between third dark fringe and fifth bright fringe is

A single slit of width 0.1mm is illuminated by parallel light of wavelength 6000Å, and diffraction bands are observed on a screen 40cm from the slit. The distance of third dark band from the central bright band is:

In Yonung's double-slit experiment, two slits which are separated by 1.2 mm are illuminated with a monochromatic light of wavelength 6000 Å The interference pattern is observed on a screen placed at a distance of 1 m from the slits. Find the number of bright fringes formed over 1 cm width on the screen.

Two slits, 4 mm apart, are illuminated by light of wavelength 6000 Å . What will be the fringe width on a screen placed 2 m from the slits

Two slits are separated by a distance of 0.5mm and illuminated with light of lambda=6000Å . If the screen is placed 2.5m from the slits. The distance of the third bright image from the centre will be

A single slit of width 0.1 mm is illuminated by a parallel beam of light of wavelength 6000Å and diffraction bands are observed on a screen 0.5 m from the slit. The distance of the third dark band from the central bright band is _______ mm.

A single slit of width 0.1 mm is illuminated by a parallel beam of light of wavelength 6000Å and diffraction bands are observed on a screen 0.5 m from the slit. The distance of the third dark band from the central bright band is _______ mm.

Light of wavelength 6000Å is incident on a slit of width 0.30 mm. The screen is placed 2 m from the slit. Find (a) the position of the first dark fringe and (b). The width of the central bright fringe.