Table of Contents
Is magnification negative or positive?
(a) The magnification is positive for all virtual images and is negative for all real images. (b) The magnification of concave lens and convex mirror is always positive where as the magnification of convex lens and concave mirror can be positive or negative depending on the position of the object before the lens.
What does it mean if the magnification of an object is negative?
inverted
If m has a magnitude greater than 1 the image is larger than the object, and an m with a magnitude less than 1 means the image is smaller than the object. If the magnification is positive, the image is upright compared to the object; if m is negative, the image is inverted compared to the object.
Can the magnification factor be negative?
Magnification produced by Convex Lens A convex lens can form virtual as well as real images, so the magnification produced by a convex lens can be either positive or negative. Magnification is positive for virtual image and negative for real image.
What does it mean if magnification is positive?
If the magnification is positive, the image is upright compared to the object; if m is negative, the image is inverted compared to the object.
In which of the following is magnification is positive?
mirror the magnification is always positive. The linear magnification of a concave mirror can be positive or negative.
What does it mean when magnification is positive?
A positive sign in the value of magnification indicates that the image is virtual. Magnification is the increase in the image size produced by spherical mirrors concave or convex with respect to the object size.
Is negative magnification inverted?
A negative magnification means the image is inverted, and therefore real. A magnification smaller than 1 means the image is smaller than the object.
When the magnification produced by a lens is negative?
Answer. Answer: A negative magnification indicates that the image is inverted. If the object is placed closer to a converging lens than the focal length, the rays on the far side of the lens diverge.
What does a negative magnification for a mirror mean?
Question 5 A negative magnification for a mirror means that the image is inverted, and the mirror could be either concave or convex. the image is upright, and the mirror is convex. the image is inverted, and the mirror is convex. the image is inverted, and the mirror is concave.
Is the magnification negative when image is inverted?
The magnification of a concave mirror is given by the ratio of the height of the image to the height of the object. Hence, if the image is inverted and real the magnification will be negative.
What if magnification is less than 1?
The magnification produced by a plane mirror is +1 means then the size of the image is equal to the size of the object. If m has a magnitude greater than 1 the image is larger than the object, and an m with a magnitude less than 1 means the image is smaller than the object. Was this answer helpful?
What does magnification less than 1 mean?
smaller than
A magnification of 1 (plus or minus) means that the image is the same size as the object. If m has a magnitude greater than 1 the image is larger than the object, and an m with a magnitude less than 1 means the image is smaller than the object.
When magnification is negative What is the nature of the image?
real and inverted
This magnification can tell us about the nature of the image based on the sign itself. If the ratio is negative then the image is real and inverted. If the ratio is positive then the image is virtual and erect.
Why is the magnification of a real image negative?
When we say that an real and inverted image is formed, the height of the image formed is below the pricipal axis. Also, virtual images are erct and always formed above the pricipal axis. Thus, according to the sign conventions it is taken as negative.
In which mirror magnification is positive?
a convex mirror
Magnification of a convex mirror is always positive, but that of a concave mirror may be both positive or negative.
When the magnification of lens is negative?
The negative magnification infers the image is real and inverted, and similarly, the positive magnification indicates virtual and erect. Magnification is used to represent the size of the image formed. The magnification of magnitude 1 means that the image formed is of equal size as that of the object.
What does a positive magnification mean?
If m has a magnitude greater than 1 the image is larger than the object, and an m with a magnitude less than 1 means the image is smaller than the object. If the magnification is positive, the image is upright compared to the object; if m is negative, the image is inverted compared to the object.
What does it mean if magnification is 1?
The magnification produced by a plane mirror is +1 which means that size of the image formed is exactly equal to the size of the object behind the mirror.
What does it mean when the magnification is positive?
What is the nature of image if magnification is positive?
The image will be virtual and erect.
How do you find magnification when magnification is negative?
Vice versa, magnification is negative when the image is inverted, therefore a real image. However using the equation m = v / u, m is negative when v is negative. And v is only negative when the image is on the same side of the lens as the object.
Is magnification negative when the image is inverted?
Vice versa, magnification is negative when the image is inverted, therefore a real image. However using the equation m = v/u, m is negative when v is negative. And v is only negative when the image is on the same side of the lens as the object.
What is the magnification of a real image?
An image is only erect when it is a virtual image, therefore virtual images = positive magnification. Vice versa, magnification is negative when the image is inverted, therefore a real image. is negative.
What is the difference between magnification and do?
Magnification is defined as the height of image / height of the object so its is negative for real images. do is the distance of the object from the lens, and it is positive if the object is in front of the lens.