

MCQOPTIONS
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1. |
WHICH_TRANSDUCER_IS_ARRANGED_IN_THE_SHAPE_OF_A_CLOVER_LEAF_SO_THAT_IT_PROVIDES_A_LARGE_AREA_OF_ILLUMINATION??$ |
A. | piezo-electric |
B. | ultrasonic |
C. | array |
D. | pressure |
Answer» C. array | |