When two light waves each of amplitude ' A ' and having a phase difference of π/2 superimposed then the amplitude of resultant wave is (a) A/√(2) (b) 2A (c) √(2) A (d) A/2

Answer: (c). AR = √(A² + A² + 2A²cos φ) with φ = π/2, cos φ = 0. AR = √(2A²) = √2 A So the answer is (c) √2 A.

When two light waves each of amplitude ' A ' and having a phase… | MHT CET 2023 (14 May, Shift 2)

Q56MHT CET 2023 · 14 MAY · SHIFT 2Easy

Superposition, Coherence & Intensity

When two light waves each of amplitude ' $A$ ' and having a phase difference of $\frac{\pi}{2}$ superimposed then the amplitude of resultant wave is

Show answer and solution

Answer: (c)

In a Young's double slits experiment, the ratio of amplitude of light coming from slits…JEE Main 2023 (13 Apr, Shift 2)
Of the two slits producing interference in Young's experiment, one is covered with glass…MHT CET 2023 (13 May, Shift 2)
A and B are two interfering sources where A is ahead in phase by 54° relative to B. The…MHT CET 2023 (13 May, Shift 1)
The ratio of intensities of two points on a screen in Young's double slit experiment when…MHT CET 2023 (12 May, Shift 2)
In Young's double slit experiment the intensities at two points, for the path difference…MHT CET 2023 (12 May, Shift 1)
Light waves from two coherent sources arrive at two points on a screen with path…MHT CET 2023 (10 May, Shift 2)
In Young's double slit experiment, the wavelength of light used is ' λ '. The intensity…MHT CET 2023 (9 May, Shift 2)
The ratio of intensities at two points P and Q on the screen in a Young's double slit…JEE Main 2023 (10 Apr, Shift 2)