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The focal length of a lens is related to the object distance and image distance by the lens equation: 1/f = 1/do + 1/di, where f is the focal length, do is the object distance, and di is the image distance. This equation describes how the lens focuses light rays from an object at a certain distance to form an image at a specific distance.

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How can you calculate magnification from the focal length of a lens?

To calculate magnification from the focal length of a lens, you can use the formula: Magnification (Image distance / Object distance) (focal length / focal length - object distance).


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.


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.


What is the lens focal length formula used to calculate the focal length of a camera lens?

The lens focal length formula used to calculate the focal length of a camera lens is: Focal Length (Distance between lens and image sensor) / (1 (Distance between lens and object) / (Distance between lens and object))


What is the limit of the object distance to produce a real image?

The limit of the object distance to produce a real image is twice the focal length of the lens or mirror. This occurs when the object distance is equal to the focal length, resulting in the image distance being at infinity. At distances greater than twice the focal length, the real image becomes smaller and inverted.

Related Questions

How can you calculate magnification from the focal length of a lens?

To calculate magnification from the focal length of a lens, you can use the formula: Magnification (Image distance / Object distance) (focal length / focal length - object distance).


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.


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.


Focal length of a concave mirror?

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


What is the lens focal length formula used to calculate the focal length of a camera lens?

The lens focal length formula used to calculate the focal length of a camera lens is: Focal Length (Distance between lens and image sensor) / (1 (Distance between lens and object) / (Distance between lens and object))


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

Sum of reciprocal of object distance and reciprocal of image distance gives the reciprocal of focal length


What is the limit of the object distance to produce a real image?

The limit of the object distance to produce a real image is twice the focal length of the lens or mirror. This occurs when the object distance is equal to the focal length, resulting in the image distance being at infinity. At distances greater than twice the focal length, the real image becomes smaller and inverted.


What is the focal length formula used to calculate the distance between the focal point and the lens in optical systems?

The focal length formula used to calculate the distance between the focal point and the lens in optical systems is: frac1f frac1do frac1di where: ( f ) is the focal length of the lens ( do ) is the object distance (distance between the object and the lens) ( di ) is the image distance (distance between the image and the lens)


What is the thin lens equation?

The thin lens equation is a relation that describes how the distance of an object from a thin lens, the distance of the image from the lens, and the focal length of the lens are related. The equation is given by 1/f = 1/do + 1/di, where f is the focal length of the lens, do is the object distance, and di is the image distance.


What is a focal length?

it is the distance a lense is from an object in order for it to be in focus


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.


How to find the focal length of a lens?

To find the focal length of a lens, you can use the lens formula: 1/f 1/do 1/di, where f is the focal length, do is the object distance, and di is the image distance. Measure the object and image distances from the lens, then plug the values into the formula to calculate the focal length.