Which one of the following statements is not a characteristic of a plane mirror?

Question

Which one of the following statements is not a characteristic of a plane mirror? A ray of light is reflected from two plane mirror surface as shown in the figure. What are the correct values of alpha and beta? A convex mirror has a radius of curvature of 0.50 m. Where must an object be placed in front of the mirror such that the image is formed 0.15 m behind the mirror? 0.38 m 0.19 m 0.77 m 0.093 m 0.57 m An object a placed 4.0 cm from a thin converging lens with a focal length of 12 cm. Which one of the following statements is true concerning the image? The image is virtual and 6.0 cm from the lens. The image is virtual and 12 cm from the lens. The image a real and 3.0 cm from the lens. The image a real and 6 0 an from the lens. The image is real and 12 cm from the lens. A 2.00-cm tall object is placed 40.0 cm from a lens. The resulting image is 8.00-cm tall and upright relative to the object. Determine the focal length of the lens. 26.6 cm 32.6 cm 53.3 cm 64.0 cm 80.0 cm

Explanation / Answer

1) a) the image is real

2) b) 26 degrees and 64 degrees

3) a) 0.38 m

f = -R/2 = -0.5/2 = -0.25 m

image distance, v = -0.15 m

u = ?

Apply, 1/u + 1/v = 1/f

1/u = 1/f - 1/v

1/v = 1/(-0.25) - 1/(-0.15)

v = 0.375 m

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