A narrow slit of width 1 mm is illuminated by monochromatic light of wavelength 600 nm. The distance between the first minima on either side of a screen at a distance of 2 m is

A narrow slit of width 2 mm is illuminated by monochromatic light fo wavelength 500nm. The distance between the first minima on either side on a screen at a distance of 1 m 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.

The slit of width d is illuminated by light of wavelength 5000 Å . If Fresnel distance is 2 m . What is the slit width ?

A single slit located effectively at infinity in front of a lens of focal length 1 m , and it is illuminated normally with light of wavelength 600 nm . The first minimum on either side of central maximum are separated by 4 mm . Width of the slit is

In Young's double-slit experiment, the slit separation is 0.5 mm and the screen is 0.5 m away from the slit. For a monochromatic light of wavelength 500 nm, the distance of 3rd maxima from the 2nd minima on the other side of central maxima is

In Young's double slit experiment, ten slits separated by a distance of 1 mm are illuminated by a monochromatic light source of wavelength 5 xx 10^(-7)m . If the distance between slit and screen is 2 metre, then separation of bright lines in the interference pattern will be :

In double slit experiment , the distance between two slits is 0.6mm and these are illuminated with light of wavelength 4800 Å . The angular width of dark fringe on the screen at a distance 120 cm from slits will be

In a Young's double slit experiment, bi-chromatic light of wavelengths 400 nm and 560 nm are used. The distance between the slits is 0.1 mm and the distance between the plane of the slits and the screen is 1m. The minimum distance between two successive regions of complete darkness is

In a Young's double slit experiment, the slit separation is 1mm and the screen is 1m from the slit. For a monochromatic light of wavelength 500nm , the distance of 3rd minima from the central maxima is