H2P-234
Principle of superposition
H2 Physics · JC 1 · Medium · Principle of superposition
Two identical light sources placed close together do not produce a visible interference pattern on a screen. Which statement best explains this?
- The phase difference between the light from the sources changes randomly with time.
- The sources are too dim to form an interference pattern.
- The sources emit light that is perfectly monochromatic.
- The distance between the sources and the screen is too small.
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