(vii) When the phase difference between two vibrating sources changes rapidly with time, we say that the two sources are coherent. (True/False) (viii) In diffraction pattern, the intensity of maxima goes on decreasing as we move away from the centre of the screen on either side. (True/False)

(vii) When the phase difference between two vibrating sources changes rapidly with time, we say that the two sources are coherent. (True/False) (viii) In diffraction pattern, the intensity of maxima goes on decreasing as we move away from the centre of the screen on either side. (True/False)

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Wave Optics

Section: Chapter Questions

Problem 11P: Two slits are separated by 0.180 mm. An interference pattern is formed on a screen 80.0 cm away by...

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

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