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A beam of light contains two wavelengths 6500Å and 5200Å. They form interference fringes in Young’s double slit experiment. What is the least distance (approx) from central maximum, where the bright fringes due to both wavelength coincide? The distance between the slits is 2 mm and the distance of screen is 120 cm.
Options
(a) 0.16 cm
(b) 0.32 cm
(c) 0.48 cm
(d) 1.92 cm
Correct Answer:
0.16 cm
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
- Photon of frequency ν has a momentum associated with it. If c is the velocity
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
- Which gate can be obtained by shorting both the input terminals of a NOR gate?
- The area of cross-section of one limb of an U-tube is twice that of the other.
- The velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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