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A thin film of soap solution (n=1.4) lies on the top of a glass plate (n=1.5). When visible light is incident almost normal to the plate, two adjacent reflection maxima are observed at two wavelengths 420 and 630 nm. The minimum thickness of the soap solution is
Options
(a) 420 nm
(b) 450 nm
(c) 630 nm
(d) 1260 nm
Correct Answer:
450 nm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In common base mode of a transistor, the collector current is 5.488 mA
- A block of mass m is placed on a smooth wedge of inclination θ
- Three masses are placed on the x-axis : 300 g at origin, 500 g at x = 40 cm
- In Young’s double slit experiment, when wavelength used is 6000Å and the screen
- A change of 0.04 V takes place between the base and the emitter when an input
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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