geiger muller counter वाक्य

उदाहरण वाक्य

1. He set up his laboratory from the war salvages from World War II and from other sources and with the assistance of H . L . N . Murthy, an expert in glass work, who helped him develop Geiger Muller counters, he measured the lifespan of the positive muons as 2.24?.15 microseconds.