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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
- A circular coil of radius 10cm and 100 turns carries a current 1 A.
- A student measures the terminal potential difference (V) of a cell
- The kinetic energy needed to project a body of mass m from the surface of earth
- An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer
- The refracting angle of a prism is A and refractive index of the material of the prism
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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