In an interference experiment using a monochromatic source emitting light of wavelength 2, the fringes are produced by two long, narrow slits separated by a distance d. The fringes are formed on a screen which is situated at a distance D >> d.Write down an expression for the fringe width w. Please use "*" for products (e.g. B*A), "/" for ratios (e.g. B/A) and the usual "+" and "-" signs as appropriate. Use "lambda" (without the quotes) for å in the equation box. For example, use d*lambda for d2. Please use the "Display response" button to check you entered the answer you expect.
In an interference experiment using a monochromatic source emitting light of wavelength 2, the fringes are produced by two long, narrow slits separated by a distance d. The fringes are formed on a screen which is situated at a distance D >> d.Write down an expression for the fringe width w. Please use "*" for products (e.g. B*A), "/" for ratios (e.g. B/A) and the usual "+" and "-" signs as appropriate. Use "lambda" (without the quotes) for å in the equation box. For example, use d*lambda for d2. Please use the "Display response" button to check you entered the answer you expect.
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Transcribed Image Text:In an interference experiment using a monochromatic source emitting light of wavelength 1, the fringes are produced by two long, narrow slits
separated by a distance d. The fringes are formed on a screen which is situated at a distance D >> d. Write down an expression for the fringe
width w. Please use
for products (e.g. B*A), "/" for ratios (e.g. B/A) and the usual "+" and "-" signs as appropriate. Use "lambda" (without the
quotes) for å in the equation box. For example, use d*lambda for då. Please use the "Display response" button to check you entered the answer
you expect.
w=
Display response
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