Question

3. An object is at a distance of 0.1 m from a spherical mirror and the image of the object is at a distance of 0.3 m from the mirror on the same side of the object. Is the mirror concave or convex? What is its focal length​

Answer 1

Answer:

1) Mirror is convex

2)

Explanation:

1/f = 1/v + 1/u

1/f = 1/0.1 + 1/0.3

1/f = 10 + 30

1/f = 40

f = 1/40

f. = 0.025 m Ans

Saankhi khatri