Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 262
ch do not transmit liedit. ° • The terms transparent and opaque are relative. Nobody is perfectly transparent, and very thin layers ofmost bodies transmit more or less light. orive examples of transparent, translucent and opaque bodies. NATURE AND PROPAGATION OF LIGHT. 253 4. Rectilinear… … can be seen by an eye at B without disturbing the pieces ofcardboard, pass a thread through the holes and stretch it. Does the light in passing from the candle to the eye travel in astraight line ? Experiment 3. Cut a hole about one centimetre in diameter in a piece ofcardboard and mount the piece…
Physics
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