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Which outcome occurs when rapidly compressing an orthorhombic crystal?

A)Pyroelectric behavior becomes ferroelectric
B)Increased unit cell symmetry results
C)Piezoelectric efficiency abruptly stops
D)Photovoltaic spectral range decreases

💡 Explanation

Increased unit cell symmetry happens as deformation increases the symmetry under pressure because the **martensitic transformation** is a solid-state phase change that shifts the crystal's lattice; therefore the unit cell compresses uniformly rather than other deformation effects and material properties develop.

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