| 714 | 715 | 716 | 717 | 718 |
| 1 | 306 | 613 | 919 | 1225 |
|
in large ones--and this is because the reflections or images of the
sun are more numerous in the small waves than in large ones, and the
more numerous reflections of its radiance give a larger light than
the fewer.
Waves which intersect like the scales of a fir cone reflect the
image of the sun with the greatest splendour; and this is the case
because the images are as many as the ridges of the waves on which
the sun shines, and the shadows between these waves are small and
not very dark; and the radiance of so many reflections together
becomes united in the image which is transmitted to the eye, so that
these shadows are imperceptible.
That reflection of the sun will cover most space on the surface of
the water which is most remote from the eye which sees it.
Let a be the sun, p q the reflection of the sun; a b is the
surface of the water, in which the sun is mirrored, and r the eye
which sees this reflection on the surface of the water occupying the
space o m. c is the eye at a greater distance from the surface
of the water and also from the reflection; hence this reflection
covers a larger space of water, by the distance between n and o.
8
76.
It is impossible that the side of a spherical mirror, illuminated by
16
7
Page
Quick Jump
|