Physics

Problem

To reduce the distance between adjacent bright fringes in a double-slit interference experiment, which single adjustment listed below would be most effective if all other variables remain unchanged? a) Double the distance between the slits and the screen from

1.0\text{ m}

2.0\text{ m}

. b) Halve the slit separation from

0.30\text{ mm}

0.15\text{ mm}

. c) Double the slit separation from

0.30\text{ mm}

0.60\text{ mm}

. d) Replace the

650\text{ nm}

laser with a

780\text{ nm}

laser.

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