Question

please solve this fast​

Answer 1

Answer:

1.concave mirror has real principle focus

1. convex mirror has virtual principal focus

2.convex mirror has focus behind the mirror

3. focal length of concave mirror = R /2 = 32 / 2 = 16 cm

4. radius of curvature = 2f ,

As we know the focal length in convex mirror is negative so radius of curvature also will be negative

R = 2f

R= 2×(-25)

R = - 50 cm

Answer 2

Answer:

1.concave mirror has real principle focus

1. convex mirror has virtual principal focus

2.convex mirror has focus behind the mirror

3. focal length of concave mirror = R /2 = 32 / 2 = 16 cm

4. radius of curvature = 2f ,

As we know the focal length in convex mirror is negative so radius of curvature also will be negative

R = 2f

R= 2×(-25)

R = - 50 cm

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