Why is the reflection on a plane mirror the same size as the object?

Images in a plane mirror are the same size as the object, are located behind the mirror, and are oriented in the same direction as the object (i.e., “upright”). In reality, these rays come from the points on the mirror where they are reflected.

What is relation between speed of object and speed of image for a spherical mirror?

given, mirror is convex mirror, And we have to find out ratio of speed of object to the speed of its real image . But we know, practically real image can’t formed we with help of convex mirror. theorically, ratio of speed of object to the speed of image = -1/m² , where m is magnification .

What is speed of image in plane mirror?

Object moving perpendicular to a plane mirror When the object moves with speed u towards (or away) from the plane mirror then image also moves toward (or away) with speed u. But relative speed of image w.r.t. object is 2u.

When you look in a plane mirror what is true?

8. Which of the following best describes the image formed by a plane mirror? When you look at your image in a plane mirror, you see an upright image; it is located on the other side of the mirror (and thus is virtual); finally, it has the same dimensions (height, width) as yourself (the object).

How can you tell the difference between a mirror and formula?

In a spherical mirror the distance between the Principal focus and pole of the mirror is called Focal Length(f). Mirror formula is $\dfrac{1}{v}$ +$\dfrac{1}{u}$ =$\dfrac{1}{f}$ here, v is the position of the image, u is the position of object and f is the focal length.

Why is it difficult to read words that are reflected in a mirror?

Here we come to know that the distance between the image and the mirror and the distance between the object and the mirror is the same in case of image formation in plane mirror. Due to this lateral inversion of the image, it becomes difficult to read the text of the image as the letters become laterally inverted.

What is the speed of an image relative to a mirror?

Then your speed is 10 m/s = speed of image relative to mirror and 20 m/s relative to one-another. So image speed is v and 2v w.r.t. mirror and object. This question can be quite confusing sometimes. I would give and example of a plane mirror first. Suppose you are 100 m away from a mirror.

What is the difference between a plane mirror and spherical mirror?

A plane mirror always forms a virtual image that is upright, and of the same shape and size as the object, it is reflecting. A spherical mirror is a mirror that has a consistent curve and a constant radius of curvature. The images formed by a spherical mirror can either be real or virtual.

What is the speed of an image in m/s?

The speed of the image will be twice that of the object I,e 10m/s. This is due to the fact that when you bring the mirror closer to the object, the image also moves closer. Thus when you move the mirror closer by 5 metres in one second, the image gets closer by 10 metres.

What happens when you move the mirror closer to the object?

Thus when you move the mirror closer by 5 metres in one second, the image gets closer by 10 metres. Therefore the image covers twice the distance in same time interval and has its speed equal to twice the object’s. Hope it helps!!