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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
- In radioactive element, β-rays are emitted from
- A bar magnet having a magnetic moment of 2 x 10⁴JT⁻¹ is free to rotate in a horizontal
- The e.m.f. of a battery is 2 V and its internal resistance is 0.5 Ω. The maximum
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- A proton and an alpha particle both enter a region of uniform magnetic field B,
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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