the radius of curvature of a spherical mirror is 20 cm what is its focal length??
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The radius of curvature of a spherical mirror is 20 cm.
so,
f = R/2
=20/2 =10cm
so,the focal length will be be 10cm
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Answered by
1
Step-by-step explanation:
The radius of curvature of a spherical mirror is 20 cm.
so,
f = R/2
=20/2 =10cm
so,the focal length will be be 10cm
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