

MCQOPTIONS
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1. |
Photo multiplier consists of |
A. | 1 Photo emissive cathode & 2 dynodes |
B. | 2 Photo emissive cathodes & 2 dynodes |
C. | 2 Photo emissive cathodes & 1 dynode |
D. | 1 Photo emissive cathode & 1 dynode |
Answer» B. 2 Photo emissive cathodes & 2 dynodes | |