the radius of curvature of a spehrical mirror is 20 cm.what is its focal length
Answers
Answered by
1
R= 2f
20=2f
20/2=f
10=f
Therefore, focal length of spherical mirror is 10cm
20=2f
20/2=f
10=f
Therefore, focal length of spherical mirror is 10cm
Answered by
0
it's focal length is half of the radius of curvature.,means 20÷2=10cm
Similar questions