Question:medium
In Young's double slit experiment, to increase the fringe width
In Young's double slit experiment, to increase the fringe width
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To get larger, clearer fringes: use Red light (longest visible $\lambda$), move the screen further away (increase $D$), and keep the slits as close together as possible (decrease $d$).
Updated On: May 6, 2026
- the wavelength of the source is increased
- the source is moved towards the slit
- the source is moved away from the slit
- the slit separation is increased
- the screen is moved towards the slit
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The Correct Option is A
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