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← ScienceWhich observable effect is caused by thin-film interference?
A)Iridescent colors on a soap bubble✓
B)Increased light pathway within fiber
C)Beam splitting in calcite crystals
D)Chromatic aberration in lens systems
💡 Explanation
Iridescent colors arise on soap bubbles via thin-film interference, because light waves reflecting off either side of the film interfere constructively or destructively depending on wavelength; therefore different colors appear, rather than beam separation or chromatic aberration effect.
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