At any depth in a fluid at rest, the pressure is the same in all directions at the given depth.
Indicate whether the statement is true or false
Question 2
A beam of light that is parallel to the principal axis is incident on a concave mirror. What happens to the reflected beam of light?
A)
It also is parallel to the principal axis.
B)
It is perpendicular to the principal axis.
C)
It passes through the center of curvature of the mirror.
D)
It passes through the focal point of the mirror.
E)
It passes between the focal point and the center of curvature of the mirror.
Changes in light quality with depth: (a) the rich colours on a shallow coral reef;
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