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Difference between focal point and focal length?
The focal point is the point where light converges after it passes through a concave lens. The focal length is the distance of the focal point to the lens. Same for a convex lens, except that the focal point is the imaginary point from where light deflected from lens seems to have emerged.
What happens when a light ray passes through a focal point and then passes through a covex mirror?
Focal point of which mirror? Because convex mirror would have a virtual focus which is assumed to be at the back of the mirror.
When an object is inside the focal point of a concave mirror what kind of image always results?
An upright image, which is called a virtual image. If the focal point was outside of a concave mirror, then it would be a real image, which is inverted.
What is an image called that reflects light through a focal point?
An image doesn't reflect light.An image that forms in a focal plane ... and could be seen if there'sa piece of tissue or a puff of smoke at that place ... is a "real" image.
Why do things look blurry through a magnifying glass?
I think the answer could be that each magnifying glass has what is known as a focal point, where an object being looked at can be seen clearly when it is at the focal point. If the object being looked at is outside that point it will look blurry. One also has to take into consideration the quality of the magnifying glass. Robert
Difference between focal point and focal length?
The focal point is the point where light converges after it passes through a concave lens. The focal length is the distance of the focal point to the lens. Same for a convex lens, except that the focal point is the imaginary point from where light deflected from lens seems to have emerged.
Is a a convex lens focus light to form an image at the focal point?
Yes, it does focus light to form an image at the focal point and hence it is used in spectacles.
Point at which light rays are converged by a convex lens?
Focus (only at the focal point if the incoming rays are all parallel to the axis).
What happens when a light ray passes through a focal point and then passes through a covex mirror?
Focal point of which mirror? Because convex mirror would have a virtual focus which is assumed to be at the back of the mirror.
Where is the focal point of a lens?
The focal point of a convex lens is the point where light rays parallel to the axis are brought to a point. What this means in practical terms is that, in a camera, the lens focuses to its focal point, which is set at the film plane. This creates the image. Today, with auto-focus lenses for most consumer cameras, we don't think about the focal point much. When the auto-focus fails, however, which it can do from time to time, the photographer must manually bring the image to the focal point.
When an object is inside the focal point of a concave mirror what kind of image always results?
An upright image, which is called a virtual image. If the focal point was outside of a concave mirror, then it would be a real image, which is inverted.
How does a lens create an image?
A lens forms an image when all the rays of light meet in the focal point.
What is an image called that reflects light through a focal point?
An image doesn't reflect light.An image that forms in a focal plane ... and could be seen if there'sa piece of tissue or a puff of smoke at that place ... is a "real" image.
where will be image form in concave lens when object is placed at focal lenth?
When the object is located at a location beyond the 2F point, the image will always be located somewhere in between the 2F point and the focal point (F) on the other side of the lens.
Why do things look blurry through a magnifying glass?
I think the answer could be that each magnifying glass has what is known as a focal point, where an object being looked at can be seen clearly when it is at the focal point. If the object being looked at is outside that point it will look blurry. One also has to take into consideration the quality of the magnifying glass. Robert
What is a convex lens that focuses light to form an image at the focal point?
A magnifying lens. In a Refracting Telescope, a convex lens focuses light to form an image at the focal point.
Place an object between a magnifying lens and its focal point the image is?
Place an object between a magnifying lens and its focal point. The image is right side up and larger than the object
