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focal length

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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.


Will focal length of mirror change on changing the object distance?

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.


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.


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 is the focal distance formula used in optics to calculate the distance between the focal point and the lens or mirror?

The focal distance formula in optics is 1/f 1/do 1/di, where f is the focal length, do is the object distance, and di is the image distance. This formula is used to calculate the distance between the focal point and the lens or mirror.


Focal length of a concave mirror?

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


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.


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.


What will the object distance be equal to when using concave mirror only?

When using a concave mirror, the object distance (distance of the object from the mirror) can vary depending on where the object is placed. If the object is located beyond the focal point of the mirror, the object distance will be positive. If the object is placed between the mirror and the focal point, the object distance will be negative.


WHAT HAPPENS TO THE FOCAL LENGTH OF A CONCAVE MIRROR AS THE CURVATURE OF THE MIRROR IS INCREASED?

As the curvature of a concave mirror is increased, the focal length decreases. This means that the mirror will converge light rays to a focal point at a shorter distance from the mirror. The mirror will have a stronger focusing ability.