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In young’s double slit experiment with a...

In young’s double slit experiment with a source of light of wavelength `6320Å`, the first maxima will occur when

A

Path difference is `9480 Å`

B

Phase difference is `2 pi` radian

C

Path difference is`6320 Å`

D

Phase difference is `pi` radian

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The correct Answer is:
B, C
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ERRORLESS -WAVE OPTICS-SET
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