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Two waves of same amplitude superpose. The resultant intensity is I₁ when they are coherent and I₂ when they are non-coherent. The ratio of I₁ and I₂ will be
Options
(a) (1:1)
(b) (2:1)
(c) (4:1)
(d) (1:4)
Correct Answer:
(2:1)
Explanation:
I₁ = 4I and I₂ = 2I
Therefore, I₁ / I₂ = 4I / 2I = 2 / 1
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A thermocouple of negligible resistance produces an e.m.f. of 40 µV/⁰C in the linear range
- The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc
- A 50Hz AC signal is applied in a circuit of inductance of (1/π)H and resistance 2100Ω
- Three unequal resistors in parallel are equivalent to a resistance 1 Ω.
- A system consists of three masses m₁, m₂ and m₃ connected by a string passing
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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