015 points SerCP10 23 P014. 0/4 Submissions Used Notes Ask Your A concave mirror

Question

015 points SerCP10 23 P014. 0/4 Submissions Used Notes Ask Your A concave mirror has a focal length of 76.4 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.) O real ? virtual upright inverted (e) 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 0 virtual a upright O inverted Need Help? Read it 418 AM

Explanation / Answer

a)

Radius of curvature

R=2f =2*76.4

R=152.8 cm

b)

From thin lens formula

1/f =1/di + 1/do

1/76.4 =1/di +1/100

di=323.73 cm

Since image distance is positive ,it is real and inverted

c)

=>1/76.4 =1/di  +1/10

di=-11.51 cm

Image is Virtual and upright

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