Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 432
black paper to absorb any radiation that falls upon it, is placed so that itsface is at a certain definite distance, co, say 9 inches, from this box, and thecover having been lowered, the needle of the galvanometer is observed to bedeflected through 80° for example. … fig- 4°3 If now the pile is removed to a distance, CO (fig. 403), double that oi co,the deflection of the galvanometer is unaltered, which shows that the pilereceives the same amount of heat as before ; the constancy of the deflectionis maintained when the pile is removed to three or four times the…
Physics
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