I need help with number 11 please 11. (4 pt each) In the Young\'s Double Slit Ex

Question

I need help with number 11 please

11. (4 pt each) In the Young's Double Slit Experiment, 2 slits are separated by d and the viewing screen is located L from the slits. Choose the correct answer The single source of monochromatic light starts in phase, and travels the same distance. (11.1) They will arrive at the point P on the viewing screen: _(in phase) or (out of phase) (11.2) The light waves on the screen emerging from the two slits are (a) Constructive (b) Destructive (c) Depends on L (d) Depends on d

Explanation / Answer

11.1 )

they will arrive at the point P on the viewing screen is in phase

11.2 )

constuctive or may be destructive is depends on " d "

11.3 )

the path lengths is 0,,2......is bright

11.4 )

( b ) for the experiment in water the maxima and minima occur at smaller angles.

is correct

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