Question
The image formed by a lens is always virtual, erect and smaller in size for an object kept at different positions in front of it. Identify nature of lens.
✓
Answer
Such types of lens which always forms virtual, erect and smaller image in spite of the different positions of an object is called concave lens.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What is the role of villi in the intestine?
The image shows a piece of magnesium ribbon being burnt in the air.
(a) Describe the changes that occur when magnesium is burnt in air. What type of change is involved, and what are the products formed?
(b) Explain the importance of such reactions in daily life. Where are these reactions used, and why are they significant?
(a) Describe the changes that occur when magnesium is burnt in air. What type of change is involved, and what are the products formed?
(b) Explain the importance of such reactions in daily life. Where are these reactions used, and why are they significant?
An LED requires two cells in series to glow. Tanya made the circuit as shown in Fig. Will the lamp glow? If not, draw the wires for correct connections.
What are the changes in the shape of the bodies of girls and boys during adolescence?
Explain why: Factory waste is neutralised before disposing it into the water bodies.
Give names of any four birds which you expect to see in a forest.
Can a small mirror form an image of a whole tree? Predict and explain with a reason.
Write a short note on shadow puppetry.
Observe the image of a metal and a wooden spoon placed in hot water.
(a) Which spoon would get hotter after a few minutes, and why?
(b) What practical conclusion can we draw from this activity regarding utensil design?
(a) Which spoon would get hotter after a few minutes, and why?
(b) What practical conclusion can we draw from this activity regarding utensil design?