+ -/10 points SerCP10 23.P.014. A concave mirror has a focal length of 55.6 cm (

Question

+ -/10 points SerCP10 23.P.014. A concave mirror has a focal length of 55.6 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.) real virtual upright inverted (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.) real O virtual upright inverted

Explanation / Answer

(A) R =2 f = 111.2 cm

(B) f = 55.6 cm

object distance, p = 100 cm

1/f = 1/p + 1/q

1/55.6 = 1/100 + 1/q

q = 125 cm ....Ans

q is +ve so image is real and inverted. ....Ans

(C) p = 10 cm

q = -12.2 cm .....Ans

virtual and upright ........Ans

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