Question

topic :lens
can someone help me..​

Answer 1

Answer:

Convex mirror.....

Convex mirrorConvex mirror

Answer 2

Question

It was observed that when the distance between an object and a lens decreases, the size of the image increases. What is the nature of this lens?

Answer

If the distance between an object and a lens decrease and the size of the image increase, then it is a convex lens because the given property is that of a convex lens.

If we continue to decrease the length at a steady pace, we won't be able to capture the image on a screen as it is a virtual image.

Knowledge Bytes

   Convex lens    

→A convex lens or a converging lens is used to converge the parallel beams of light to its focus.

→ The lens is thicker is thicker in the middle and thinner at the edges.

→ The image formed is upright, virtual, and larger than the object when the object is placed on the same side of the convex lens and this property makes it useful in magnifying glasses.

→ It is also used as eye-pieces in microscopes.

→ A real image is obtained if the object is outside the focal length.