Question

If the radius of curvature of the concave mirror is 10cm find it's focal length

Answer 1

ʜᵉʸᵃ ᵐᵃᵗᵉ ʰᵉʳᵉ ⁱˢ ʸᵒᵘʳ ᵃⁿˢʷᵉʳ 

⭕Focal length = 10 ÷ 2 = 5 cm✔✔

Answer 2

Answer:

Explanation:

$\large{radiusofcurvature=2f}$

$\large{givenradiusofcurvature=10cm}$

$\large{10cm=2f}$

$\large{10cm/2=f}$

$\large{thefocallenthoftheconcavemirroris5cm}$