डेफिनेशन ऑफ फोकस इन साइंस फिजिक्स
Answers
Answered by
1
Answer:
In physics, a focus is “a point at which rays of light, heat, or other radiation meet after being refracted or reflected.” Perhaps you can imagine how a fireplace or a hearth—contained areas and sources of heat and light—was likened to such a point in math and science.
Answered by
0
Answer:
The focus can be defined as the point at which rays coming from infinity converge or seem to converge... It is positive for convex (lenses and mirrors) and negative for concave (lenses and mirrors)
It is related to the radius of curvature as...
f = R/2
Similar questions