# Physics

posted by .

What is the magnification of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm?

0.33

-0.33

1.33

-1.33

I'm thinking B.

• Physics -

-0.33

## Similar Questions

1. ### Physics

1)A 5.0 cm real object is placed at a distance of 5.0 cm from a concave mirror of focal length 10 cm. Find the size of the image. di= -10 magnification = |di/do| magnification = |-10/5.0| magnification = 2 image size = (object size)*(magnification) …
2. ### Physics repost

1)A 5.0 cm real object is placed at a distance of 5.0 cm from a concave mirror of focal length 10 cm. Find the size of the image. di= -10 magnification = |di/do| magnification = |-10/5.0| magnification = 2 image size = (object size)*(magnification) …
3. ### physics

An object with a height of 42 cm is placed 1.6 m in front of a concave mirror with a focal length of 0.45 m. Find the location and magnification of the image produced by the mirror, using the mirror and magnification equations.
4. ### Physics

A concave mirror has a focal length of 20 cm. What is the magnification of an object placed 128 cm in front of this mirror?
5. ### physics

A concave spherical mirror has a radius of curvature 15 cm. A 1 cm tall bulb is placed in front of the mirror such that its image is formed 10 cm in front of the mirror. If you measure distance from the optic center of the mirror, …
6. ### physics ---

A concave spherical mirror has a radius of curvature 15 cm. A 1 cm tall bulb is placed in front of the mirror such that its image is formed 10 cm in front of the mirror. If you measure distance from the optic center of the mirror, …
7. ### physics

What is the magnification of a 4 cm tall object placed 40 cm from a concave mirror having a focal length of 10 cm?
8. ### physics

A 8.20 cm tall object is placed 30.0 cm in front of a concave mirror with a focal length of 4.20 cm. What is the magnification?
9. ### science

A 3.5-cm tall object is placed 10.0 cm in front of a concave mirror having a focal length of 14.5 cm. Find the location position and height by drawing a ray diagram to scale. Verify your answer using the mirror and magnification equations. …
10. ### Physics

A concave spherical mirror has a radius of curvature 15 cm. A 1 cm tall bulb is placed in front of the mirror such that its image is formed 10 cm in front of the mirror what is the focal length position of object magnification of object …

More Similar Questions