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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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- If a wire is stretched to four times its length, then the specific resistance
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Huygen’s wave theory allows us to know
- If a wire is stretched to four times its length, then the specific resistance
- A long wire carrying a steady current is bent into a circular loop of one turn.
- A paramagnetic sample shows a net magnetisation of 0.8 Am⁻¹, when placed
- The primary of a transformer when connected to a dc battery of 10 volt draws a current
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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