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प्रश्न
A lens forms an erect, magnified, and virtual image of an object. Name the type of lens.
उत्तर
Convex lens
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संबंधित प्रश्न
Draw a labelled ray diagram to show how a ray of light is refracted when it passes:
from an optically denser medium into air.
f the image formed by a convex lens is of the same size as that of the object, what is the position of the image with respect to the lens?
What kind of lens can form:
an inverted diminished image?
An object is placed 20 cm from (a) a converging lens, and (b) a diverging lens, of focal length 15 cm. Calculate the image position and magnification in each case.
In figure , name the ray which represents the correct path of light while emerging out through
a glass block.
If you are to determine to focal length of a convex lens, you should have
(A) a convex lens and a screen
(B) a convex lens and a lens holder
(C) a lens holder, a screen holder and a scale
(D) a convex lens, a screen, holder for them and a scale
For which position of the object does a convex lens form a virtual and erect image? Explain with the help of a ray diagram.
Where must a point source of light be placed in front of a convex lens so as to obtain a parallel beam of light?
What happens to the image formed by a convex lens if its lower part is blackened?
Differentiate convex lens and concave lens.
