An interference pattern is set up by two point sources of the same frequency, vibrating in phase. A point on the third nodal line is 21.0 cm from one source, 30.5 cm from the other. The speed of the waves is 14.0 cm/s. Calculate the wavelength and the frequency of the sources.'

An interference pattern is set up by two point sources of the same frequency, vibrating in phase. A point on the third nodal line is 21.0 cm from one source, 30.5 cm from the other. The speed of the waves is 14.0 cm/s. Calculate the wavelength and the frequency of the sources.'

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 19P

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Question

An interference pattern is set up by
two point sources of the same
frequency, vibrating in phase. A point
on the third nodal line is 21.0 cm
from one source, 30.5 cm from the
other. The speed of the waves is 14.0
cm/s. Calculate the wavelength and
the frequency of the sources.'

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