A concave mirror has a focal length of 62.0 cm. (a) What is its radius of curvat

Question

A concave mirror has a focal length of 62.0 cm.

(a) What is its radius of curvature?
cm

(b) Locate the image when the object distance is 100 cm. (Indicate the side of the mirror with the sign of your answer.)
cm

Describe the properties of the image when the object distance is 100 cm. (Select all that apply.)

realvirtualuprightinverted

(c) Locate the image when the object distance is 10.0 cm. (Indicate the side of the mirror with the sign of your answer.)
cm

Describe the properties of the image when the object distance is 10.0 cm. (Select all that apply.)
realvirtualuprightinverted

Explanation / Answer

a) f = R/2 so R = 2*f = 124 cm
b) 1/i + 1/o = 1/f
1/i + 1/100 = 1/62
i = 163.15 cm
c)
1/i + 1/o = 1/f
1/i + 1/10 = 1/62
i = -11.933 cm

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