D Question 5 5 pts An object 4.0 cm in height is placed 8.0 cm in front of a con

Question

D Question 5 5 pts An object 4.0 cm in height is placed 8.0 cm in front of a concave spherical mirror with a focal length of 10.0 cm. What is the position of its image in relation to the mirror, and what are the characteristics of the image? O 40.0 cm on the other side of mirror, real, 6.0 times bigger 10.0 cm on the same side of mirror, real, 6.0 times bigger O 18.0 cm on the same side of mirror, virtual, 2.25 times bigger O 40.0 cm on the other side of mirror, virtual, 5.0 times bigger 10.0 cm on the other side of mirror, virtual, 10.0 times bigger

Explanation / Answer

Answer is D)40 cm on the other side of the mirror ,virtual 5 times bigger

From thin lens formula

1/f = 1/di + 1/do

1/10 = 1/di +1/8

=>di=(0.1-0.125)-1

di=-40 cm

Magnification

M=-di/do =-(-40/8)

M=5

since image distance di<0 ,the image is virtual

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