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Which outcome occurs in double-slit experiment when observation collapses electron's wave function?

A)Interference pattern disappears completely
B)Wavelength shifts toward higher energy
C)Velocity increases due to potential change
D)Coherence between slits maintains pattern

💡 Explanation

When an observation is made, the wave function collapses because the electron's quantum state is forced into a definite position, preventing its propagation as multiple interfering waves. Therefore, the interference pattern disappears, rather than wavelength/velocity changes, coherence as the wave nature collapses into a particle.

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