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Physics - Wave Optics Question with Solution | TestHub

PhysicsWave OpticsMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

Assertion (A):The film which appears bright in reflected system will appear dark in the transmitted system and vice-versa.

Reason (R):The conditions for film to appear bright or dark in the reflected light are just reverse to those in the transmitted light

Options:

Answer:

Solution:

For reflected system of the film, the consition for maxima is $2 μ t \cos r = (2 n - 1) \frac{λ}{2}$ . While the maxima for transmitted system of film is $2 μ t \cos r = n λ$ and is reverse for minima. A & R are true and R is the correct explanation of A.

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Wave OpticsSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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