What is V in a concave mirror?

The distance between the image and the pole of the mirror is called Image distance(v). The distance between the Principal focus and pole of the mirror is called Focal Length(f).

What is the sign of U and V for concave lens?

Signs of u, v and f “f” is taken positive for convex lens and negative for concave lens. “u” is always taken negative. “v” is taken positive for real image and negative for virtual image.

Is V positive in concave lens?

In case of a concave lens ‘v’ is always negative. In case of convex lens it is negative or positive it depends on object distance n location.

What is V in convex mirror?

“u” – The distance between the object and the pole of the mirror is called the object distance. “v” – The distance between the image formed and the pole of the mirror is called the image distance.

Is V negative in convex mirror?

‘v’ is always positive for convex mirror & concave lens. Distances measured from the optic center to the right of the lens are considered +ve and t from optic center to the left are -ve.

Is V negative in concave mirror?

If the image is formed behind a concave mirror, the image distance (v) is positive but if the image is formed in front of the mirror , then the image distance will be negative.

Is V positive in convex mirror?

v,m,h’= positive in case of virtual image and negative in case of real image.

What is the sign convention in the case of concave mirror?

Sign convention in the case of concave mirror: Since, object is always placed in front of the mirror hence the sign of object is taken as negative. Since, the centre of curvature and focus lie in front of the concave mirror, so signs of radius of curvature and focal length are taken as negative in the case of concave mirror.

How do you find the magnification of a concave mirror?

The mirror formula is 1/f = 1/v + 1/u; The magnification m is denoted by m = -vu. According to the sign conventions, the focal length (f) for a concave mirror is negative, the object distance (u) is negative. According to the sign conventions, the image distance (v) is positive for a virtual image while negative for a real image.

Does a concave mirror produce a real or virtual image?

A concave mirror will produce a real image if the object is farther away from the mirror than the focal length and will produce a virtual image if the object is closer to the mirror than the focal length.

Why is the height of image taken as positive in convex mirror?

In the case of convex mirror, image always formed behind the mirror, thus the distance of image is taken as positive. In the case of a convex mirror, always an erect image is formed, thus the height of image is taken as positive. Following sign convention is used for measuring various distances during the formation of images by lenses: