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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsYDSEEasy2 minPYQ_2020
PhysicsEasysingle choice

In a double – slit experiment, at a certain point on the screen the path difference between the two interfering waves is18thof a wavelength. The ratio of the intensity of light at that point to that at the center of a bright fringe is:

Options:

Answer:
A
Solution:

I=I0cos2ϕ2
II0=cos22πλ×X2=cos2π8;II0=0.853

Stream:JEESubject:PhysicsTopic:Wave OpticsSubtopic:YDSE
2mℹ️ Source: PYQ_2020

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