Use the following information in questions 28-31: A light bulb is placed 12 m in

Question

Use the following information in questions 28-31: A light bulb is placed 12 m in front of a diverging mirror with focus 6 m. (See figure.) Where is the resulting image? 4 m behind the mirror. 4 m in front of the mirror. 12 m behind the mirror. 12 m in front of the mirror. What is the absolute magnification of the image? 0333 13 2 3 The image is upright and real. upright and virtual. inverted and real. inverted and virtual. What happens if a light bulb is placed 6 m in front of the mirror? An image is formed 6 m behind the mirror. An image is formed 3 m behind the mirror. An image is formed 6 m in front of the mirror. No image is formed and the rays end up traveling parallel to infinity.

Explanation / Answer

a) 1/f=1/u +1/v

1/v=1/f-1/u=-1/6-1/12=-4 cm=4 cm in front of the mirror

b)M=-v/u =-4/12=0.333

c)inverted and real

d)option d as fis also 6 cm means object is at focus therefore no image forms.

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