In case of a concave mirror an object is placed at a distance of x1 from focus and image is - Science - Light - Reflection and Refraction

Question

In case of a concave mirror an object is placed at a distance of
x1 from focus and image is formed at a distance of
x2 from focus Then the focal length of mirror is

A √x1x2 B x1 -
x2/2 C x1 + x2/ 2 D Data insufficient

Ujjawal Chauhan · Accepted Answer

In case of a concave mirror an object is placed at a distance of x1 from focus and image is formed at a distance of x2 from focus. Then the focal length of mirror is A. √x1x2 B. x1 - x2/2 C. x1 + x2/ 2 D. Data insufficient

In case of a concave mirror an object is placed at a distance of x₁from focus and image is formed at a distance of x₂ from focus. Then the focal length of mirror is

A. √x₁x₂ B. x₁ - x₂/2 C. x1 + x₂/ 2 D. Data insufficient