60 PTS + BRAINLIEST

1. A virtual image is 3 meters behind a flat mirror and it is 2 meters tall. What is the height and distance from the mirror, for the object?

2. A concave mirror has a focal length of 1 meter. An object is 2 meters from the mirror. What is the image distance from the mirror?

3. Alens has a focal length of -10 cm. If the image of an object is located at -20 cm, what is the distance of the object?

Respuesta :

Answer:

1. The distance of image from the plane mirror is same as the distance of object (person) from the plane mirror but the image is formed behind the mirror.

v=u=3 m

Thus distance between image and the person d=u+v=3+3=6 m

2.A concave mirror has a radius of curvature of 1.0 m. An object is placed 2.0 m in front of the mirror. Can you determine the location of the image (in cm)

1/v = 1/f - 1/u = 1/50 - 1/200 = 4/200 - 1/200 = 3/200

v = 200/3 c

NUMBER 3 Ans: 18.75 cm.

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