Physics, asked by DrinkWaterxDxD, 5 hours ago

The radius of curvature of a concave mirror is 30cm. What is the focal length of this mirror?!¿

Answers

Answered by s02371joshuaprince47
1

Answer:

For Concave mirror the focal length is negative. f=-15 cm

focal length = 1/2 × radius of curvature

then,

r = 30 cm

f = 1/2×30

f = 15 cm

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