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संबंधित प्रश्न
Define the principal focus of a concave lens.
Things always look small on viewing through a lens. What is the nature of the lens?
Give the position, size and nature of image of formed by a concave lens when the object is placed:
anywhere between optical centre and infinity.
Which type of lens is
a diverging lens? Explain your answer with diagrams.
Construct ray diagrams to illustrate the formation of a virtual image using a diverging lens.
What type of lens is used to correct
myopia?
A person cannot see distant objects clearly. His vision can be corrected by using the spectacles containing:
(a) concave lenses
(b) plane lenses
(c) contact lenses
(d) convex lenses
State two applications of a concave lens.
Convex magnifying glass is called divergent magnifying glass and concave magnifying glass is called converging magnifying glass.
In a reading glass what is the position of the object with respect to the concave lens used?
