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convex lens(converging lens)
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∙ 12y ago
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What does a negative 5 mean in eyesight?
The person is moderately myopic (short sighted or near sighted). The person can see things that are closer clearly but things that are far will be out of focus. The eye is bulged and the image forms in front of the retina and a concave lens with -5 power will help in forming a clearer image on the retina.
Why does a lens with with 2 cm diameter have 4 times the light gathering power of a 1 cm lens?
Because the 2cm lens has 4 times the area of a 1cm lens. (area = Pi*r2)
Which lens is greater than 50 mm?
a greater 1
Is convex lens have a positive or negative magnification?
Positive.Positive.Positive.Positive.
What is the volume of a lens?
V=1/3pi X^2(3r-X)
Lens that gives an enlarged image?
Convex lens gives an enlarged image when the object is placed between F and 2F, at F and between F and C.
Which type of image does a concave lens form?
Cancave lens always gives virtual, erect and diminished image.
Convex lensWhat type of image is seen from the lens?
A virtual, enlarged and erect image is seen from the lens. Here from means through the lens. This is what a palmist does while reading the lines on the palm to foretell the future.
If an object is closer to a convex lens than one focal length the image is .?
If an object lies within the focal length of a convex lens, its image will be erect, bigger in size and virtual. It will be on the same side of the object.
Which lens always forms a diminished image?
concave lens formed virtual,erect and diminished image irrespective to the distance between the object and lens.
A concave lens always forms an image which is?
virtual, erect and diminished
How do convex and concave lenses affect the attitude and appearance of an image?
Convex lens is a converging lens It makes the image real and inverted whereas concave lens is a diverging lens it makes the image virtual and erect.
What has a objective lens that creates an image of the object that is enlarged by the eyepeice?
microscope
Is it possible for a diverging lens to form a real image Explain?
No, it is not possible for a diverging or a concave lens to form a real image. It always forms virtual and erect image
What image does a concave lens produce?
real or virtual imagevirtual,erect anddiminished
What type of image is produced by a converging lens on the screen?
a virtual and erect image is always formed by a covering lence
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.
