Question

4.
Ratio of radius of curvature to that of the focal length of a spherical mirror is
a) 1:2
b)2:1
c)1:4
d)4:1​

Answer 1

Answer:

2:1

Explanation:

R= 2f

radius of curvature / focal length

therefore, R/f= 2f/f

=2/1

=2:1

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Answer 2

Answer:

2:1

Explanation:

Endhuku nenu paina unna answer chusa

andhulo 2:1 ani undi

andhuke cheppa