Monochromatic light from a narrow slit illuminates two narrow slit 0.3 mm apart producing an interference pattern with bright fringes 1.5 mm apart on a screen 75 cm away. Find the wavelength of the light. How will the fringe width altered if (a) the distance of the screen is doubled and (b) the separation between the slits is doubled ?
Monochromatic light from a narrow slit illuminates two narrow slit 0.3 mm apart producing an interference pattern with bright fringes 1.5 mm apart on a screen 75 cm away. Find the wavelength of the light. How will the fringe width altered if (a) the distance of the screen is doubled and (b) the separation between the slits is doubled ?
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Transcribed Image Text:Monochromatic light from a narrow slit
illuminates two narrow slit 0.3 mm apart
producing an interference pattern with bright
fringes 1.5 mm apart on a screen 75 cm away.
Find the wavelength of the light. How will the
fringe width altered if (a) the distance of the
screen is doubled and (b) the separation
between the slits is doubled?
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