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No, the focal length of a mirror does not change when the object distance changes. The focal length of a mirror is a fixed property of the mirror itself. Changing the object distance will affect the position and size of the image formed by the mirror, but not the focal length.

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1y ago

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What is the relationship between object distance image distance and focal length of a concave mirror?

In a concave mirror, the relationship between object distance, image distance, and focal length is described by the mirror formula: 1/f = 1/do + 1/di, where f is the focal length, do is the object distance, and di is the image distance. As the object distance changes, the image distance and focal length will also change accordingly.


How can a rough value of the focal length of a concave mirror be obtained?

One way to estimate the focal length of a concave mirror is to use the mirror formula: 1/f = 1/do + 1/di, where f is the focal length, do is the object distance, and di is the image distance. By measuring the object distance and the corresponding image distance, you can calculate an approximate value for the focal length of the concave mirror.


What distance along the axis from the center of a mirror to a focal point?

The distance from the center of a mirror to the focal point is equal to the focal length of the mirror. This distance is half the radius of curvature of the mirror.


What is the distance from the center of a mirror to a focal point called?

The distance from the center of a mirror to the focal point is called the focal length.


What is the distance from the center of a mirror to the focal point called?

The distance from the center of a mirror to the focal point is called the focal length.


Focal length of a concave mirror?

1/object distance + 1/ image distance = 1/focal length


How does changing the shape of mirror affect the shape and position of an image?

Changing the shape of the mirror can change the size and orientation of the image produced. For example, a concave mirror can create either an enlarged or reduced image depending on the object's distance from the mirror. The position of the image can also be affected, such as moving closer or farther away from the mirror.


How do you find focal length of concave mirror?

The focal length of a concave mirror can be found by using the mirror formula, which is 1/f = 1/do + 1/di, where f is the focal length, do is the object distance, and di is the image distance. By measuring the object and image distances from the mirror, you can calculate the focal length using this formula.


Does the focal length of a spherical mirror change if immersed in water?

No, the focal length of a spherical mirror does not change when immersed in water. The change in medium from air to water affects the refractive index and the speed of light, but it does not affect the focal length of the mirror.


Which term defines the distance from the focal point to either a lens or a mirror?

The term that defines the distance from the focal point to either a lens or a mirror is called the focal length.


Why do images in a concave mirror appear inverted?

If an object's distance from the concave mirror is greater than the mirror's focal length, then the mirror image of it will be inverted. If the distance from the concave mirror is less than the focal length of the mirror, the image will not be inverted. No image will be produced if the distance from the mirror to the object is equal to the mirror's focal length.


The distance between a mirror and its focal point is called the?

Focal length, positive number with a concave mirror, negative for a convex mirror.