Question

1) the focal length of a spherical mirror with radius of curvatures 20cm is___________​

Answer 1

Answer:

f=r/2

f=20/2

f=10cm

focal length =10cm

Answer 2

Answer:

hello how are you this is Nuthuna

Step-by-step explanation:

The radius of curvature of a spherical mirror is 20 cm. What is its focal length? Therefore, the focal length of the spherical mirror is 10 cm.