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If the ratio of amplitude of two superposed waves is 2:1, then the ratio of maximum intensity and minimum intensity is
Options
(a) (9:1)
(b) (1:9)
(c) (4:1)
(d) (1:4)
Correct Answer:
(9:1)
Explanation:
Let ɑ and b the amplitude of wave.
Given: ɑ / b = 2 / 1 (or) ɑ = 2b
I(max) / I(min) = (ɑ + b)² / (ɑ – b)² = 9 / 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 particle moves in a circle of radius 5 cm with constant speed and time period
- A cricket ball of mass 250 g collides with a bat with velocity 10 m/s
- A particle moving in a straight line covers half the distance with speed of 3 m/s
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- An engine is moving towards a wall with a velocity 50 ms⁻¹ emits a note of 1.2 kHz.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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