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Physics CBSE Live product
Class 10
Light reflection and refraction
Annual Revision I - Light
5.
TBQ - Terms of spherical mirror
Question:
2
m.
Define the principal focus of a concave mirror.
Consider a parallel beam of light incident on a spherical mirror.
In the case of a concave mirror, the parallel beam after reflection
diverges at a point C
converges at a point F
converges at a point C
diverges at a point C
which is called the
principal focus
principal axis
aperture
centre of curvature
Thus, a concave mirror is called a
splitting apart
spreading part
dispersing
converging
.
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