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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
- Magnetic susceptibility of a material is given as
- The moment of inertia of a thin circular disc about an axis passing through its centre
- A magnetic field of 1600 A/m produces a magnetic flux of 2.4 x 10⁻⁵ Wb
- A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
- In stretching a spring by 2 cm, energy stored is given by U. Had is been stretched
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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