incident ray वाक्य

उदाहरण वाक्य

1. I will insist particularly upon the following fact, which seems to me quite important and beyond the phenomena which one could expect to observe : The same crystalline crusts [ of potassium uranyl sulfate ], arranged the same way with respect to the photographic plates, in the same conditions and through the same screens, but sheltered from the excitation of incident rays and kept in darkness, still produce the same photographic images.