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What happens to the image formed by convex lens if the object is moved closer to the lens?
The image becomes blurred and it's size increases.
Why is the surface of a mirror smooth?
Otherwise the image formed will be blurred and mostly distorted. That is why we expect the surface of the mirror to be optically plane. Hence smooth.
What does Astigmatism result in?
The result is a blurred image
What point beyond which a microscopic image becomes blurred?
Depends on the resolution of the microscope.
What can cause an image to appear blurred using a microscope?
The light so bright.
State the effect of the use of multiple pin hole on the image formed in a pin hole camera?
Formation of multiple images on the Translucent screen and hence a blurred images due to overlapping of such images on the screen.
What image formed by a plane mirror?
The image formed by a plane mirror is virtual image.
My PC background is blurred and i don't no why?
The desktop background on a PC will be blurred if it is at a much lower resolution than the screen is currently set to. This causes the image to be stretched and distorts it.
What is the condition in which some portions of an image are in focus on the retina and other portions are blurred is called?
Its the myopia
What would cause an image to appear blurred under a microscope?
The primary lens is to close to the specimen
Why astigmatism cause objects to appear blurry?
An astigmatism means that the shape of the optics cause the focus to be a line rather than a point (the lenses are not spherical). Thus the image produced by these lenses is imperfect, causing a blurred image/vision.
What kind of image is formed by a concave image?
image formed by the concave lens will be erect , virtual and smaller than the size of object.
