A convex lens is used as a :
Magnifying glass
A convex lens is thicker at the middle and converges the light rays passing through it.
When an object is placed between the optical centre and the focus of a convex lens, the lens forms a virtual, erect and enlarged image, which is the working principle of a simple magnifier or reading lens.
A rear-view mirror is a convex mirror, not a lens, while a plane mirror and a periscope use reflection from flat mirrors.
Hence, Magnifying glass.
Similar Questions
The law of refraction is also known as :
Important Questions from Optics
Who was the first one to use a glass prism to obtain the spectrum of sunlight?
Twinkling of stars is due to:
In which a convex mirror is used?
A. Rear View mirrors in vehicles
B. Glass windows
C. Makeup Mirror
D. Kaleidoscope
An object is placed 10 cm in front of a lens. The image formed is real, inverted and of same size as the object. What is the focal length and nature of the lens?
The power of a lens is -2.5 D. The type of lens and its focal length are respectively:
