Posted by **Fleur** on Thursday, October 25, 2012 at 3:30pm.

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 -
**Elena**, Thursday, October 25, 2012 at 3:52pm
-0.33

## Answer this Question

## Related Questions

- physics - What is the magnification of a 4 cm tall object placed 40 cm from a ...
- physics - A 8.20 cm tall object is placed 30.0 cm in front of a concave mirror ...
- Physics - A concave spherical mirror has a radius of curvature 15 cm. A 1 cm ...
- physics - An object with a height of 42 cm is placed 1.6 m in front of a concave...
- Physics repost - 1)A 5.0 cm real object is placed at a distance of 5.0 cm from a...
- Physics - 1)A 5.0 cm real object is placed at a distance of 5.0 cm from a ...
- physics --- - A concave spherical mirror has a radius of curvature 15 cm. A 1 cm...
- physics - A concave spherical mirror has a radius of curvature 15 cm. A 1 cm ...
- Physics - A concave mirror has a focal length of 20 cm. What is the ...
- science - A 3.5-cm tall object is placed 10.0 cm in front of a concave mirror ...

More Related Questions