In Young’s double-slit experiment, dark fringes on the

Q: Answer-In Young’s double-slit experiment, dark fringes on the screen occur where:

In Youngs double-slit experiment, dark fringes appear at points where the waves from the two slits arrive out of phase and interfere destructively . This happens when the path difference between the two waves is an odd multiple of 2, leading to cancellation of the light intensity at those points. Hence, destructive interference causes dark fringes.

screen occur where:

A the waves from the two slits arrive in phase Correct Answer Incorrect Answer

B the waves from the two slits arrive out of phase and interfere destructively Correct Answer Incorrect Answer

C only one slit’s light reaches Correct Answer Incorrect Answer

D the intensity of light is maximum Correct Answer Incorrect Answer

Solution

In Young’s double-slit experiment, dark fringes appear at points where the waves from the two slits arrive out of phase and interfere destructively . This happens when the path difference between the two waves is an odd multiple of λ/2, leading to cancellation of the light intensity at those points. Hence, destructive interference causes dark fringes.

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