Elementary Lessons in Heat, Light & SoundMacmillan, 1891 - 282 páginas |
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Página 148
... convex . In concave mirrors the reflection takes place from the inner face ( that which faces towards the centre of curva- ture ) . In convex mirrors the reflection takes place from the outer face ( that which faces away from the centre ...
... convex . In concave mirrors the reflection takes place from the inner face ( that which faces towards the centre of curva- ture ) . In convex mirrors the reflection takes place from the outer face ( that which faces away from the centre ...
Página 149
... convex ) , proceed as follows . Join the point of incidence to the centre of curvature of the mirror ; this gives you the direction of the normal at the point of incidence . The angle between the incident ray and the normal is the angle ...
... convex ) , proceed as follows . Join the point of incidence to the centre of curvature of the mirror ; this gives you the direction of the normal at the point of incidence . The angle between the incident ray and the normal is the angle ...
Página 152
... convex as well as concave mirrors . The equation shows that there is a certain relation between the distances and p ' , i.e. between the positions of the points P and P ' . For a given mirror ƒ is a constant quantity : hence , if the ...
... convex as well as concave mirrors . The equation shows that there is a certain relation between the distances and p ' , i.e. between the positions of the points P and P ' . For a given mirror ƒ is a constant quantity : hence , if the ...
Página 153
... mirrors , both concave and convex , ƒ denoting the focal length , þ the distance of the object , and p the distance of the image , reckoned from the mirror itself . This III . The focal length of a concave mirror 28-30 153 SPHERICAL ...
... mirrors , both concave and convex , ƒ denoting the focal length , þ the distance of the object , and p the distance of the image , reckoned from the mirror itself . This III . The focal length of a concave mirror 28-30 153 SPHERICAL ...
Página 154
... convex mirror is negative : this we shall consider in due course . IV . Whenever you have to work out any optical calculation , begin by writing down the proper equation , and do not alter the signs of the letters until you come to ...
... convex mirror is negative : this we shall consider in due course . IV . Whenever you have to work out any optical calculation , begin by writing down the proper equation , and do not alter the signs of the letters until you come to ...
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Términos y frases comunes
A. W. VERRALL amount of heat angle of incidence Assistant Master beam boiling boiling-point bulb Cambridge candle centimetres CHEMISTRY coefficient coloured concave lens concave mirror condensation convex lens cooling cork distance diverge Edited ELEMENTARY English equal equation expansion experiment EXPT FASNACHT Fcap flame flask focal length front G. E. FASNACHT Geometrical grammes GREEK HISTORY Illustrated image is formed inches incident ray increases interval ISAAC TODHUNTER J. P. MAHAFFY latent heat lenses liquid LL.D M.A. Cr Mathematics melt mercury observer Owens College paper passes placed position pressure principal axis principal focus prism produced Prof Professor pulse radiation rarefaction ray of light real image reflected refracted ray revised School screen shown in Fig side sound source of light specific heat steam string surface temperature thermometer Translated TREATISE Trinity College University velocity vibration vibration-number volume water-vapour wire
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